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Finding the Fourth Proportional to 591,996.30, 887,265.45 and 402,456.30

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Solution

The fourth proportional to 591,996.30, 887,265.45 and 402,456.30 is: 603,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,996.30 : 887,265.45 = 402,456.30 : x
  2. Step 2: Convert to fraction form
    591,996.30/887,265.45 = 402,456.30/x
  3. Step 3: Cross multiply
    591,996.30x = 887,265.45 × 402,456.30
  4. Step 4: Simplify right side
    591,996.30x = 357,085,570,124.84
  5. Step 5: Solve for x
    x = 357,085,570,124.84/591,996.30
  6. Step 6: Final answer
    x = 603,188.85

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Similar ratio
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1.5x scale

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.