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Finding the Fourth Proportional to 524,502.20, 786,753.30 and 169,770.80

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Solution

The fourth proportional to 524,502.20, 786,753.30 and 169,770.80 is: 254,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,502.20 : 786,753.30 = 169,770.80 : x
  2. Step 2: Convert to fraction form
    524,502.20/786,753.30 = 169,770.80/x
  3. Step 3: Cross multiply
    524,502.20x = 786,753.30 × 169,770.80
  4. Step 4: Simplify right side
    524,502.20x = 133,567,737,143.64
  5. Step 5: Solve for x
    x = 133,567,737,143.64/524,502.20
  6. Step 6: Final answer
    x = 254,656.20

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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.