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Finding the Fourth Proportional to 418,347.92, 577,319.88 and 227,361.36

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Solution

The fourth proportional to 418,347.92, 577,319.88 and 227,361.36 is: 313,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,347.92 : 577,319.88 = 227,361.36 : x
  2. Step 2: Convert to fraction form
    418,347.92/577,319.88 = 227,361.36/x
  3. Step 3: Cross multiply
    418,347.92x = 577,319.88 × 227,361.36
  4. Step 4: Simplify right side
    418,347.92x = 131,260,233,071.84
  5. Step 5: Solve for x
    x = 131,260,233,071.84/418,347.92
  6. Step 6: Final answer
    x = 313,758.54

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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.