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Finding the Fourth Proportional to 356,282.40, 534,423.60 and 119,632.80

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Solution

The fourth proportional to 356,282.40, 534,423.60 and 119,632.80 is: 179,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,282.40 : 534,423.60 = 119,632.80 : x
  2. Step 2: Convert to fraction form
    356,282.40/534,423.60 = 119,632.80/x
  3. Step 3: Cross multiply
    356,282.40x = 534,423.60 × 119,632.80
  4. Step 4: Simplify right side
    356,282.40x = 63,934,591,654.08
  5. Step 5: Solve for x
    x = 63,934,591,654.08/356,282.40
  6. Step 6: Final answer
    x = 179,449.20

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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.