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Finding the Fourth Proportional to 527,079.20, 790,618.80 and 133,095.20

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Solution

The fourth proportional to 527,079.20, 790,618.80 and 133,095.20 is: 199,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,079.20 : 790,618.80 = 133,095.20 : x
  2. Step 2: Convert to fraction form
    527,079.20/790,618.80 = 133,095.20/x
  3. Step 3: Cross multiply
    527,079.20x = 790,618.80 × 133,095.20
  4. Step 4: Simplify right side
    527,079.20x = 105,227,567,309.76
  5. Step 5: Solve for x
    x = 105,227,567,309.76/527,079.20
  6. Step 6: Final answer
    x = 199,642.80

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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.