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Finding the Fourth Proportional to 623,730.70, 935,596.05 and 224,433.10

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Solution

The fourth proportional to 623,730.70, 935,596.05 and 224,433.10 is: 336,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,730.70 : 935,596.05 = 224,433.10 : x
  2. Step 2: Convert to fraction form
    623,730.70/935,596.05 = 224,433.10/x
  3. Step 3: Cross multiply
    623,730.70x = 935,596.05 × 224,433.10
  4. Step 4: Simplify right side
    623,730.70x = 209,978,721,849.26
  5. Step 5: Solve for x
    x = 209,978,721,849.26/623,730.70
  6. Step 6: Final answer
    x = 336,649.65

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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.