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Finding the Fourth Proportional to 414,511.60, 621,306.60 and 227,657.20

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Solution

The fourth proportional to 414,511.60, 621,306.60 and 227,657.20 is: 341,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,511.60 : 621,306.60 = 227,657.20 : x
  2. Step 2: Convert to fraction form
    414,511.60/621,306.60 = 227,657.20/x
  3. Step 3: Cross multiply
    414,511.60x = 621,306.60 × 227,657.20
  4. Step 4: Simplify right side
    414,511.60x = 141,444,920,897.52
  5. Step 5: Solve for x
    x = 141,444,920,897.52/414,511.60
  6. Step 6: Final answer
    x = 341,232.72

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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.