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Finding the Fourth Proportional to 561,175.07, 841,762.61 and 206,035.43

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Solution

The fourth proportional to 561,175.07, 841,762.61 and 206,035.43 is: 309,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,175.07 : 841,762.61 = 206,035.43 : x
  2. Step 2: Convert to fraction form
    561,175.07/841,762.61 = 206,035.43/x
  3. Step 3: Cross multiply
    561,175.07x = 841,762.61 × 206,035.43
  4. Step 4: Simplify right side
    561,175.07x = 173,432,920,279.10
  5. Step 5: Solve for x
    x = 173,432,920,279.10/561,175.07
  6. Step 6: Final answer
    x = 309,053.15

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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.