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Finding the Fourth Proportional to 623,905.80, 935,858.70 and 224,559.60

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Solution

The fourth proportional to 623,905.80, 935,858.70 and 224,559.60 is: 336,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,905.80 : 935,858.70 = 224,559.60 : x
  2. Step 2: Convert to fraction form
    623,905.80/935,858.70 = 224,559.60/x
  3. Step 3: Cross multiply
    623,905.80x = 935,858.70 × 224,559.60
  4. Step 4: Simplify right side
    623,905.80x = 210,156,055,328.52
  5. Step 5: Solve for x
    x = 210,156,055,328.52/623,905.80
  6. Step 6: Final answer
    x = 336,839.40

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Half scale
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Double scale
Find fourth proportional to 623,906.80, 935,860.20 and 224,560.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.