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Finding the Fourth Proportional to 573,308.20, 859,962.30 and 146,843.20

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Solution

The fourth proportional to 573,308.20, 859,962.30 and 146,843.20 is: 220,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,308.20 : 859,962.30 = 146,843.20 : x
  2. Step 2: Convert to fraction form
    573,308.20/859,962.30 = 146,843.20/x
  3. Step 3: Cross multiply
    573,308.20x = 859,962.30 × 146,843.20
  4. Step 4: Simplify right side
    573,308.20x = 126,279,616,011.36
  5. Step 5: Solve for x
    x = 126,279,616,011.36/573,308.20
  6. Step 6: Final answer
    x = 220,264.80

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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.