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Finding the Fourth Proportional to 573,321.70, 859,982.55 and 146,856.70

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Solution

The fourth proportional to 573,321.70, 859,982.55 and 146,856.70 is: 220,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,321.70 : 859,982.55 = 146,856.70 : x
  2. Step 2: Convert to fraction form
    573,321.70/859,982.55 = 146,856.70/x
  3. Step 3: Cross multiply
    573,321.70x = 859,982.55 × 146,856.70
  4. Step 4: Simplify right side
    573,321.70x = 126,294,199,350.59
  5. Step 5: Solve for x
    x = 126,294,199,350.59/573,321.70
  6. Step 6: Final answer
    x = 220,285.05

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Similar ratio
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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.