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Finding the Fourth Proportional to 418,486.74, 577,474.76 and 232,222.87

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Solution

The fourth proportional to 418,486.74, 577,474.76 and 232,222.87 is: 320,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,486.74 : 577,474.76 = 232,222.87 : x
  2. Step 2: Convert to fraction form
    418,486.74/577,474.76 = 232,222.87/x
  3. Step 3: Cross multiply
    418,486.74x = 577,474.76 × 232,222.87
  4. Step 4: Simplify right side
    418,486.74x = 134,102,847,422.16
  5. Step 5: Solve for x
    x = 134,102,847,422.16/418,486.74
  6. Step 6: Final answer
    x = 320,447.07

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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.