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Finding the Fourth Proportional to 562,023.20, 843,034.80 and 502,974.20

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Solution

The fourth proportional to 562,023.20, 843,034.80 and 502,974.20 is: 754,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,023.20 : 843,034.80 = 502,974.20 : x
  2. Step 2: Convert to fraction form
    562,023.20/843,034.80 = 502,974.20/x
  3. Step 3: Cross multiply
    562,023.20x = 843,034.80 × 502,974.20
  4. Step 4: Simplify right side
    562,023.20x = 424,024,754,102.16
  5. Step 5: Solve for x
    x = 424,024,754,102.16/562,023.20
  6. Step 6: Final answer
    x = 754,461.30

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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.