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Finding the Fourth Proportional to 561,256.39, 841,884.59 and 206,116.75

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Solution

The fourth proportional to 561,256.39, 841,884.59 and 206,116.75 is: 309,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,256.39 : 841,884.59 = 206,116.75 : x
  2. Step 2: Convert to fraction form
    561,256.39/841,884.59 = 206,116.75/x
  3. Step 3: Cross multiply
    561,256.39x = 841,884.59 × 206,116.75
  4. Step 4: Simplify right side
    561,256.39x = 173,526,515,565.88
  5. Step 5: Solve for x
    x = 173,526,515,565.88/561,256.39
  6. Step 6: Final answer
    x = 309,175.13

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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.