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Finding the Fourth Proportional to 546,395.15, 819,518.92 and 147,059.89

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Solution

The fourth proportional to 546,395.15, 819,518.92 and 147,059.89 is: 220,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,395.15 : 819,518.92 = 147,059.89 : x
  2. Step 2: Convert to fraction form
    546,395.15/819,518.92 = 147,059.89/x
  3. Step 3: Cross multiply
    546,395.15x = 819,518.92 × 147,059.89
  4. Step 4: Simplify right side
    546,395.15x = 120,518,359,811.67
  5. Step 5: Solve for x
    x = 120,518,359,811.67/546,395.15
  6. Step 6: Final answer
    x = 220,569.97

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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.