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Finding the Fourth Proportional to 755,358.73, 1,042,395.03 and 411,197.15

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Solution

The fourth proportional to 755,358.73, 1,042,395.03 and 411,197.15 is: 567,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,358.73 : 1,042,395.03 = 411,197.15 : x
  2. Step 2: Convert to fraction form
    755,358.73/1,042,395.03 = 411,197.15/x
  3. Step 3: Cross multiply
    755,358.73x = 1,042,395.03 × 411,197.15
  4. Step 4: Simplify right side
    755,358.73x = 428,629,868,116.15
  5. Step 5: Solve for x
    x = 428,629,868,116.15/755,358.73
  6. Step 6: Final answer
    x = 567,452.06

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Double scale
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1.5x scale

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.