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Finding the Fourth Proportional to 357,687.93, 536,987.17 and 231,854.74

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Solution

The fourth proportional to 357,687.93, 536,987.17 and 231,854.74 is: 348,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,687.93 : 536,987.17 = 231,854.74 : x
  2. Step 2: Convert to fraction form
    357,687.93/536,987.17 = 231,854.74/x
  3. Step 3: Cross multiply
    357,687.93x = 536,987.17 × 231,854.74
  4. Step 4: Simplify right side
    357,687.93x = 124,503,019,631.04
  5. Step 5: Solve for x
    x = 124,503,019,631.04/357,687.93
  6. Step 6: Final answer
    x = 348,077.21

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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.