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Finding the Fourth Proportional to 418,330.76, 577,300.95 and 227,344.19

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Solution

The fourth proportional to 418,330.76, 577,300.95 and 227,344.19 is: 313,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,330.76 : 577,300.95 = 227,344.19 : x
  2. Step 2: Convert to fraction form
    418,330.76/577,300.95 = 227,344.19/x
  3. Step 3: Cross multiply
    418,330.76x = 577,300.95 × 227,344.19
  4. Step 4: Simplify right side
    418,330.76x = 131,246,016,863.98
  5. Step 5: Solve for x
    x = 131,246,016,863.98/418,330.76
  6. Step 6: Final answer
    x = 313,737.43

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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.