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Finding the Fourth Proportional to 418,544.76, 577,597.46 and 227,557.70

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Solution

The fourth proportional to 418,544.76, 577,597.46 and 227,557.70 is: 314,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,544.76 : 577,597.46 = 227,557.70 : x
  2. Step 2: Convert to fraction form
    418,544.76/577,597.46 = 227,557.70/x
  3. Step 3: Cross multiply
    418,544.76x = 577,597.46 × 227,557.70
  4. Step 4: Simplify right side
    418,544.76x = 131,436,745,497.67
  5. Step 5: Solve for x
    x = 131,436,745,497.67/418,544.76
  6. Step 6: Final answer
    x = 314,032.71

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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.