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Finding the Fourth Proportional to 506,890.92, 760,505.28 and 169,964.88

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Solution

The fourth proportional to 506,890.92, 760,505.28 and 169,964.88 is: 255,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,890.92 : 760,505.28 = 169,964.88 : x
  2. Step 2: Convert to fraction form
    506,890.92/760,505.28 = 169,964.88/x
  3. Step 3: Cross multiply
    506,890.92x = 760,505.28 × 169,964.88
  4. Step 4: Simplify right side
    506,890.92x = 129,259,188,654.57
  5. Step 5: Solve for x
    x = 129,259,188,654.57/506,890.92
  6. Step 6: Final answer
    x = 255,003.95

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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.