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Finding the Fourth Proportional to 367,663.78, 507,569.52 and 247,437.10

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Solution

The fourth proportional to 367,663.78, 507,569.52 and 247,437.10 is: 341,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,663.78 : 507,569.52 = 247,437.10 : x
  2. Step 2: Convert to fraction form
    367,663.78/507,569.52 = 247,437.10/x
  3. Step 3: Cross multiply
    367,663.78x = 507,569.52 × 247,437.10
  4. Step 4: Simplify right side
    367,663.78x = 125,591,530,077.19
  5. Step 5: Solve for x
    x = 125,591,530,077.19/367,663.78
  6. Step 6: Final answer
    x = 341,593.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.