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Finding the Fourth Proportional to 530,901.90, 796,352.85 and 156,924.90

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Solution

The fourth proportional to 530,901.90, 796,352.85 and 156,924.90 is: 235,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,901.90 : 796,352.85 = 156,924.90 : x
  2. Step 2: Convert to fraction form
    530,901.90/796,352.85 = 156,924.90/x
  3. Step 3: Cross multiply
    530,901.90x = 796,352.85 × 156,924.90
  4. Step 4: Simplify right side
    530,901.90x = 124,967,591,350.97
  5. Step 5: Solve for x
    x = 124,967,591,350.97/530,901.90
  6. Step 6: Final answer
    x = 235,387.35

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Double scale
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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.