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Finding the Fourth Proportional to 368,404.92, 508,353.36 and 232,387.52

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Solution

The fourth proportional to 368,404.92, 508,353.36 and 232,387.52 is: 320,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,404.92 : 508,353.36 = 232,387.52 : x
  2. Step 2: Convert to fraction form
    368,404.92/508,353.36 = 232,387.52/x
  3. Step 3: Cross multiply
    368,404.92x = 508,353.36 × 232,387.52
  4. Step 4: Simplify right side
    368,404.92x = 118,134,976,614.07
  5. Step 5: Solve for x
    x = 118,134,976,614.07/368,404.92
  6. Step 6: Final answer
    x = 320,666.12

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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.