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Finding the Fourth Proportional to 581,108.68, 800,076.18 and 495,883.72

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Solution

The fourth proportional to 581,108.68, 800,076.18 and 495,883.72 is: 682,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,108.68 : 800,076.18 = 495,883.72 : x
  2. Step 2: Convert to fraction form
    581,108.68/800,076.18 = 495,883.72/x
  3. Step 3: Cross multiply
    581,108.68x = 800,076.18 × 495,883.72
  4. Step 4: Simplify right side
    581,108.68x = 396,744,752,421.79
  5. Step 5: Solve for x
    x = 396,744,752,421.79/581,108.68
  6. Step 6: Final answer
    x = 682,737.61

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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.