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Finding the Fourth Proportional to 573,315.20, 859,972.80 and 146,850.20

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Solution

The fourth proportional to 573,315.20, 859,972.80 and 146,850.20 is: 220,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,315.20 : 859,972.80 = 146,850.20 : x
  2. Step 2: Convert to fraction form
    573,315.20/859,972.80 = 146,850.20/x
  3. Step 3: Cross multiply
    573,315.20x = 859,972.80 × 146,850.20
  4. Step 4: Simplify right side
    573,315.20x = 126,287,177,674.56
  5. Step 5: Solve for x
    x = 126,287,177,674.56/573,315.20
  6. Step 6: Final answer
    x = 220,275.30

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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.