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Finding the Fourth Proportional to 573,310.20, 859,965.30 and 146,845.20

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Solution

The fourth proportional to 573,310.20, 859,965.30 and 146,845.20 is: 220,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,310.20 : 859,965.30 = 146,845.20 : x
  2. Step 2: Convert to fraction form
    573,310.20/859,965.30 = 146,845.20/x
  3. Step 3: Cross multiply
    573,310.20x = 859,965.30 × 146,845.20
  4. Step 4: Simplify right side
    573,310.20x = 126,281,776,471.56
  5. Step 5: Solve for x
    x = 126,281,776,471.56/573,310.20
  6. Step 6: Final answer
    x = 220,267.80

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Similar ratio
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1.5x scale

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.