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Finding the Fourth Proportional to 418,550.58, 577,623.42 and 227,559.87

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Solution

The fourth proportional to 418,550.58, 577,623.42 and 227,559.87 is: 314,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,550.58 : 577,623.42 = 227,559.87 : x
  2. Step 2: Convert to fraction form
    418,550.58/577,623.42 = 227,559.87/x
  3. Step 3: Cross multiply
    418,550.58x = 577,623.42 × 227,559.87
  4. Step 4: Simplify right side
    418,550.58x = 131,443,910,364.16
  5. Step 5: Solve for x
    x = 131,443,910,364.16/418,550.58
  6. Step 6: Final answer
    x = 314,045.46

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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.