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Finding the Fourth Proportional to 372,522.93, 514,082.63 and 211,377.55

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Solution

The fourth proportional to 372,522.93, 514,082.63 and 211,377.55 is: 291,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,522.93 : 514,082.63 = 211,377.55 : x
  2. Step 2: Convert to fraction form
    372,522.93/514,082.63 = 211,377.55/x
  3. Step 3: Cross multiply
    372,522.93x = 514,082.63 × 211,377.55
  4. Step 4: Simplify right side
    372,522.93x = 108,665,527,034.10
  5. Step 5: Solve for x
    x = 108,665,527,034.10/372,522.93
  6. Step 6: Final answer
    x = 291,701.58

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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.