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Finding the Fourth Proportional to 614,374.41, 921,560.82 and 165,095.29

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Solution

The fourth proportional to 614,374.41, 921,560.82 and 165,095.29 is: 247,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,374.41 : 921,560.82 = 165,095.29 : x
  2. Step 2: Convert to fraction form
    614,374.41/921,560.82 = 165,095.29/x
  3. Step 3: Cross multiply
    614,374.41x = 921,560.82 × 165,095.29
  4. Step 4: Simplify right side
    614,374.41x = 152,145,350,830.54
  5. Step 5: Solve for x
    x = 152,145,350,830.54/614,374.41
  6. Step 6: Final answer
    x = 247,642.72

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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.