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Finding the Fourth Proportional to 473,224.54, 708,705.20 and 272,937.74

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Solution

The fourth proportional to 473,224.54, 708,705.20 and 272,937.74 is: 408,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,224.54 : 708,705.20 = 272,937.74 : x
  2. Step 2: Convert to fraction form
    473,224.54/708,705.20 = 272,937.74/x
  3. Step 3: Cross multiply
    473,224.54x = 708,705.20 × 272,937.74
  4. Step 4: Simplify right side
    473,224.54x = 193,432,395,614.25
  5. Step 5: Solve for x
    x = 193,432,395,614.25/473,224.54
  6. Step 6: Final answer
    x = 408,753.94

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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.