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Finding the Fourth Proportional to 502,524, 754,131.60 and 207,036

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Solution

The fourth proportional to 502,524, 754,131.60 and 207,036 is: 310,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,524 : 754,131.60 = 207,036 : x
  2. Step 2: Convert to fraction form
    502,524/754,131.60 = 207,036/x
  3. Step 3: Cross multiply
    502,524x = 754,131.60 × 207,036
  4. Step 4: Simplify right side
    502,524x = 156,132,389,937.60
  5. Step 5: Solve for x
    x = 156,132,389,937.60/502,524
  6. Step 6: Final answer
    x = 310,696.38

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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.