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Finding the Fourth Proportional to 502,102.68, 753,154.02 and 147,116.76

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Solution

The fourth proportional to 502,102.68, 753,154.02 and 147,116.76 is: 220,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,102.68 : 753,154.02 = 147,116.76 : x
  2. Step 2: Convert to fraction form
    502,102.68/753,154.02 = 147,116.76/x
  3. Step 3: Cross multiply
    502,102.68x = 753,154.02 × 147,116.76
  4. Step 4: Simplify right side
    502,102.68x = 110,801,579,203.38
  5. Step 5: Solve for x
    x = 110,801,579,203.38/502,102.68
  6. Step 6: Final answer
    x = 220,675.14

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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.