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Finding the Fourth Proportional to 547,166.76, 753,418.61 and 495,845.65

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Solution

The fourth proportional to 547,166.76, 753,418.61 and 495,845.65 is: 682,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,166.76 : 753,418.61 = 495,845.65 : x
  2. Step 2: Convert to fraction form
    547,166.76/753,418.61 = 495,845.65/x
  3. Step 3: Cross multiply
    547,166.76x = 753,418.61 × 495,845.65
  4. Step 4: Simplify right side
    547,166.76x = 373,579,340,397.55
  5. Step 5: Solve for x
    x = 373,579,340,397.55/547,166.76
  6. Step 6: Final answer
    x = 682,752.26

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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.