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Finding the Fourth Proportional to 472,167.30, 651,570.30 and 268,217.76

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Solution

The fourth proportional to 472,167.30, 651,570.30 and 268,217.76 is: 370,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,167.30 : 651,570.30 = 268,217.76 : x
  2. Step 2: Convert to fraction form
    472,167.30/651,570.30 = 268,217.76/x
  3. Step 3: Cross multiply
    472,167.30x = 651,570.30 × 268,217.76
  4. Step 4: Simplify right side
    472,167.30x = 174,762,726,348.53
  5. Step 5: Solve for x
    x = 174,762,726,348.53/472,167.30
  6. Step 6: Final answer
    x = 370,128.82

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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.