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Finding the Fourth Proportional to 317,073.60, 437,565.15 and 181,125.54

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Solution

The fourth proportional to 317,073.60, 437,565.15 and 181,125.54 is: 249,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,073.60 : 437,565.15 = 181,125.54 : x
  2. Step 2: Convert to fraction form
    317,073.60/437,565.15 = 181,125.54/x
  3. Step 3: Cross multiply
    317,073.60x = 437,565.15 × 181,125.54
  4. Step 4: Simplify right side
    317,073.60x = 79,254,224,078.93
  5. Step 5: Solve for x
    x = 79,254,224,078.93/317,073.60
  6. Step 6: Final answer
    x = 249,955.29

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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.