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Finding the Fourth Proportional to 546,568.16, 819,759.08 and 147,119.90

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Solution

The fourth proportional to 546,568.16, 819,759.08 and 147,119.90 is: 220,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,568.16 : 819,759.08 = 147,119.90 : x
  2. Step 2: Convert to fraction form
    546,568.16/819,759.08 = 147,119.90/x
  3. Step 3: Cross multiply
    546,568.16x = 819,759.08 × 147,119.90
  4. Step 4: Simplify right side
    546,568.16x = 120,602,870,142.70
  5. Step 5: Solve for x
    x = 120,602,870,142.70/546,568.16
  6. Step 6: Final answer
    x = 220,654.77

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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.