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Finding the Fourth Proportional to 981,841.36, 1,354,949 and 546,265.12

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Solution

The fourth proportional to 981,841.36, 1,354,949 and 546,265.12 is: 753,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,841.36 : 1,354,949 = 546,265.12 : x
  2. Step 2: Convert to fraction form
    981,841.36/1,354,949 = 546,265.12/x
  3. Step 3: Cross multiply
    981,841.36x = 1,354,949 × 546,265.12
  4. Step 4: Simplify right side
    981,841.36x = 740,161,378,078.88
  5. Step 5: Solve for x
    x = 740,161,378,078.88/981,841.36
  6. Step 6: Final answer
    x = 753,850.27

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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.