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Finding the Fourth Proportional to 363,215.71, 501,484.53 and 227,304.55

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Solution

The fourth proportional to 363,215.71, 501,484.53 and 227,304.55 is: 313,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,215.71 : 501,484.53 = 227,304.55 : x
  2. Step 2: Convert to fraction form
    363,215.71/501,484.53 = 227,304.55/x
  3. Step 3: Cross multiply
    363,215.71x = 501,484.53 × 227,304.55
  4. Step 4: Simplify right side
    363,215.71x = 113,989,715,423.61
  5. Step 5: Solve for x
    x = 113,989,715,423.61/363,215.71
  6. Step 6: Final answer
    x = 313,834.76

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1.5x scale

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.