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Finding the Fourth Proportional to 485,522.65, 670,061.16 and 267,773.92

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Solution

The fourth proportional to 485,522.65, 670,061.16 and 267,773.92 is: 369,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,522.65 : 670,061.16 = 267,773.92 : x
  2. Step 2: Convert to fraction form
    485,522.65/670,061.16 = 267,773.92/x
  3. Step 3: Cross multiply
    485,522.65x = 670,061.16 × 267,773.92
  4. Step 4: Simplify right side
    485,522.65x = 179,424,903,452.95
  5. Step 5: Solve for x
    x = 179,424,903,452.95/485,522.65
  6. Step 6: Final answer
    x = 369,550.02

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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.