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Finding the Fourth Proportional to 546,068.52, 819,047.38 and 146,657.40

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Solution

The fourth proportional to 546,068.52, 819,047.38 and 146,657.40 is: 219,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,068.52 : 819,047.38 = 146,657.40 : x
  2. Step 2: Convert to fraction form
    546,068.52/819,047.38 = 146,657.40/x
  3. Step 3: Cross multiply
    546,068.52x = 819,047.38 × 146,657.40
  4. Step 4: Simplify right side
    546,068.52x = 120,119,359,227.61
  5. Step 5: Solve for x
    x = 120,119,359,227.61/546,068.52
  6. Step 6: Final answer
    x = 219,971.22

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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.