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Finding the Fourth Proportional to 581,144.63, 801,655.80 and 540,044.69

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Solution

The fourth proportional to 581,144.63, 801,655.80 and 540,044.69 is: 744,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,144.63 : 801,655.80 = 540,044.69 : x
  2. Step 2: Convert to fraction form
    581,144.63/801,655.80 = 540,044.69/x
  3. Step 3: Cross multiply
    581,144.63x = 801,655.80 × 540,044.69
  4. Step 4: Simplify right side
    581,144.63x = 432,929,957,997.70
  5. Step 5: Solve for x
    x = 432,929,957,997.70/581,144.63
  6. Step 6: Final answer
    x = 744,960.78

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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.