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Finding the Fourth Proportional to 407,744.70, 562,691.52 and 237,946.02

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Solution

The fourth proportional to 407,744.70, 562,691.52 and 237,946.02 is: 328,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,744.70 : 562,691.52 = 237,946.02 : x
  2. Step 2: Convert to fraction form
    407,744.70/562,691.52 = 237,946.02/x
  3. Step 3: Cross multiply
    407,744.70x = 562,691.52 × 237,946.02
  4. Step 4: Simplify right side
    407,744.70x = 133,890,207,671.75
  5. Step 5: Solve for x
    x = 133,890,207,671.75/407,744.70
  6. Step 6: Final answer
    x = 328,367.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.