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Finding the Fourth Proportional to 547,167.76, 753,419.98 and 495,846.66

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Solution

The fourth proportional to 547,167.76, 753,419.98 and 495,846.66 is: 682,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,167.76 : 753,419.98 = 495,846.66 : x
  2. Step 2: Convert to fraction form
    547,167.76/753,419.98 = 495,846.66/x
  3. Step 3: Cross multiply
    547,167.76x = 753,419.98 × 495,846.66
  4. Step 4: Simplify right side
    547,167.76x = 373,580,780,660.27
  5. Step 5: Solve for x
    x = 373,580,780,660.27/547,167.76
  6. Step 6: Final answer
    x = 682,753.64

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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.