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Finding the Fourth Proportional to 418,425.04, 577,423.11 and 227,437.84

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Solution

The fourth proportional to 418,425.04, 577,423.11 and 227,437.84 is: 313,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,425.04 : 577,423.11 = 227,437.84 : x
  2. Step 2: Convert to fraction form
    418,425.04/577,423.11 = 227,437.84/x
  3. Step 3: Cross multiply
    418,425.04x = 577,423.11 × 227,437.84
  4. Step 4: Simplify right side
    418,425.04x = 131,327,864,904.48
  5. Step 5: Solve for x
    x = 131,327,864,904.48/418,425.04
  6. Step 6: Final answer
    x = 313,862.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.