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Finding the Fourth Proportional to 270,605.43, 406,002.92 and 83,616.93

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Solution

The fourth proportional to 270,605.43, 406,002.92 and 83,616.93 is: 125,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,605.43 : 406,002.92 = 83,616.93 : x
  2. Step 2: Convert to fraction form
    270,605.43/406,002.92 = 83,616.93/x
  3. Step 3: Cross multiply
    270,605.43x = 406,002.92 × 83,616.93
  4. Step 4: Simplify right side
    270,605.43x = 33,948,717,323.35
  5. Step 5: Solve for x
    x = 33,948,717,323.35/270,605.43
  6. Step 6: Final answer
    x = 125,454.68

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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.