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Finding the Fourth Proportional to 472,535.75, 652,081.11 and 268,613.49

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Solution

The fourth proportional to 472,535.75, 652,081.11 and 268,613.49 is: 370,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,535.75 : 652,081.11 = 268,613.49 : x
  2. Step 2: Convert to fraction form
    472,535.75/652,081.11 = 268,613.49/x
  3. Step 3: Cross multiply
    472,535.75x = 652,081.11 × 268,613.49
  4. Step 4: Simplify right side
    472,535.75x = 175,157,782,720.17
  5. Step 5: Solve for x
    x = 175,157,782,720.17/472,535.75
  6. Step 6: Final answer
    x = 370,676.26

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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.