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Finding the Fourth Proportional to 546,565.06, 819,754.62 and 147,116.80

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Solution

The fourth proportional to 546,565.06, 819,754.62 and 147,116.80 is: 220,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,565.06 : 819,754.62 = 147,116.80 : x
  2. Step 2: Convert to fraction form
    546,565.06/819,754.62 = 147,116.80/x
  3. Step 3: Cross multiply
    546,565.06x = 819,754.62 × 147,116.80
  4. Step 4: Simplify right side
    546,565.06x = 120,599,676,479.62
  5. Step 5: Solve for x
    x = 120,599,676,479.62/546,565.06
  6. Step 6: Final answer
    x = 220,650.18

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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.