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Finding the Fourth Proportional to 502,502.80, 753,754.20 and 502,502.80

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Solution

The fourth proportional to 502,502.80, 753,754.20 and 502,502.80 is: 753,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,502.80 : 753,754.20 = 502,502.80 : x
  2. Step 2: Convert to fraction form
    502,502.80/753,754.20 = 502,502.80/x
  3. Step 3: Cross multiply
    502,502.80x = 753,754.20 × 502,502.80
  4. Step 4: Simplify right side
    502,502.80x = 378,763,596,011.76
  5. Step 5: Solve for x
    x = 378,763,596,011.76/502,502.80
  6. Step 6: Final answer
    x = 753,754.20

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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.