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Finding the Fourth Proportional to 502,115.01, 753,178.62 and 147,136.23

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Solution

The fourth proportional to 502,115.01, 753,178.62 and 147,136.23 is: 220,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,115.01 : 753,178.62 = 147,136.23 : x
  2. Step 2: Convert to fraction form
    502,115.01/753,178.62 = 147,136.23/x
  3. Step 3: Cross multiply
    502,115.01x = 753,178.62 × 147,136.23
  4. Step 4: Simplify right side
    502,115.01x = 110,819,862,663.40
  5. Step 5: Solve for x
    x = 110,819,862,663.40/502,115.01
  6. Step 6: Final answer
    x = 220,706.13

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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.