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Finding the Fourth Proportional to 274,395.91, 411,061.30 and 202,217.74

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Solution

The fourth proportional to 274,395.91, 411,061.30 and 202,217.74 is: 302,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,395.91 : 411,061.30 = 202,217.74 : x
  2. Step 2: Convert to fraction form
    274,395.91/411,061.30 = 202,217.74/x
  3. Step 3: Cross multiply
    274,395.91x = 411,061.30 × 202,217.74
  4. Step 4: Simplify right side
    274,395.91x = 83,123,886,123.00
  5. Step 5: Solve for x
    x = 83,123,886,123.00/274,395.91
  6. Step 6: Final answer
    x = 302,934.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.