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Finding the Fourth Proportional to 503,159.76, 754,389.72 and 187,531.92

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Solution

The fourth proportional to 503,159.76, 754,389.72 and 187,531.92 is: 281,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,159.76 : 754,389.72 = 187,531.92 : x
  2. Step 2: Convert to fraction form
    503,159.76/754,389.72 = 187,531.92/x
  3. Step 3: Cross multiply
    503,159.76x = 754,389.72 × 187,531.92
  4. Step 4: Simplify right side
    503,159.76x = 141,472,152,619.86
  5. Step 5: Solve for x
    x = 141,472,152,619.86/503,159.76
  6. Step 6: Final answer
    x = 281,167.46

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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.