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Finding the Fourth Proportional to 623,710.80, 935,566.20 and 224,364.60

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Solution

The fourth proportional to 623,710.80, 935,566.20 and 224,364.60 is: 336,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,710.80 : 935,566.20 = 224,364.60 : x
  2. Step 2: Convert to fraction form
    623,710.80/935,566.20 = 224,364.60/x
  3. Step 3: Cross multiply
    623,710.80x = 935,566.20 × 224,364.60
  4. Step 4: Simplify right side
    623,710.80x = 209,907,936,236.52
  5. Step 5: Solve for x
    x = 209,907,936,236.52/623,710.80
  6. Step 6: Final answer
    x = 336,546.90

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Double scale
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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.