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Finding the Fourth Proportional to 482,522.07, 723,788.31 and 145,565.65

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Solution

The fourth proportional to 482,522.07, 723,788.31 and 145,565.65 is: 218,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,522.07 : 723,788.31 = 145,565.65 : x
  2. Step 2: Convert to fraction form
    482,522.07/723,788.31 = 145,565.65/x
  3. Step 3: Cross multiply
    482,522.07x = 723,788.31 × 145,565.65
  4. Step 4: Simplify right side
    482,522.07x = 105,358,712,368.04
  5. Step 5: Solve for x
    x = 105,358,712,368.04/482,522.07
  6. Step 6: Final answer
    x = 218,350.04

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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.