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Finding the Fourth Proportional to 562,042.20, 843,063.30 and 502,993.20

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Solution

The fourth proportional to 562,042.20, 843,063.30 and 502,993.20 is: 754,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,042.20 : 843,063.30 = 502,993.20 : x
  2. Step 2: Convert to fraction form
    562,042.20/843,063.30 = 502,993.20/x
  3. Step 3: Cross multiply
    562,042.20x = 843,063.30 × 502,993.20
  4. Step 4: Simplify right side
    562,042.20x = 424,055,107,069.56
  5. Step 5: Solve for x
    x = 424,055,107,069.56/562,042.20
  6. Step 6: Final answer
    x = 754,489.80

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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.