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Finding the Fourth Proportional to 573,305.20, 859,957.80 and 146,840.20

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Solution

The fourth proportional to 573,305.20, 859,957.80 and 146,840.20 is: 220,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,305.20 : 859,957.80 = 146,840.20 : x
  2. Step 2: Convert to fraction form
    573,305.20/859,957.80 = 146,840.20/x
  3. Step 3: Cross multiply
    573,305.20x = 859,957.80 × 146,840.20
  4. Step 4: Simplify right side
    573,305.20x = 126,276,375,343.56
  5. Step 5: Solve for x
    x = 126,276,375,343.56/573,305.20
  6. Step 6: Final answer
    x = 220,260.30

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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.