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Finding the Fourth Proportional to 578,632.80, 867,949.20 and 152,167.80

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Solution

The fourth proportional to 578,632.80, 867,949.20 and 152,167.80 is: 228,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,632.80 : 867,949.20 = 152,167.80 : x
  2. Step 2: Convert to fraction form
    578,632.80/867,949.20 = 152,167.80/x
  3. Step 3: Cross multiply
    578,632.80x = 867,949.20 × 152,167.80
  4. Step 4: Simplify right side
    578,632.80x = 132,073,920,275.76
  5. Step 5: Solve for x
    x = 132,073,920,275.76/578,632.80
  6. Step 6: Final answer
    x = 228,251.70

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Double scale
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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.