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Finding the Fourth Proportional to 317,224.87, 437,773.71 and 172,030.93

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Solution

The fourth proportional to 317,224.87, 437,773.71 and 172,030.93 is: 237,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,224.87 : 437,773.71 = 172,030.93 : x
  2. Step 2: Convert to fraction form
    317,224.87/437,773.71 = 172,030.93/x
  3. Step 3: Cross multiply
    317,224.87x = 437,773.71 × 172,030.93
  4. Step 4: Simplify right side
    317,224.87x = 75,310,615,841.90
  5. Step 5: Solve for x
    x = 75,310,615,841.90/317,224.87
  6. Step 6: Final answer
    x = 237,404.52

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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.