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Finding the Fourth Proportional to 534,308.92, 801,505.02 and 155,235.80

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Solution

The fourth proportional to 534,308.92, 801,505.02 and 155,235.80 is: 232,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,308.92 : 801,505.02 = 155,235.80 : x
  2. Step 2: Convert to fraction form
    534,308.92/801,505.02 = 155,235.80/x
  3. Step 3: Cross multiply
    534,308.92x = 801,505.02 × 155,235.80
  4. Step 4: Simplify right side
    534,308.92x = 124,422,272,983.72
  5. Step 5: Solve for x
    x = 124,422,272,983.72/534,308.92
  6. Step 6: Final answer
    x = 232,865.80

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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.