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Finding the Fourth Proportional to 555,713.92, 766,885.99 and 301,065.11

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Solution

The fourth proportional to 555,713.92, 766,885.99 and 301,065.11 is: 415,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,713.92 : 766,885.99 = 301,065.11 : x
  2. Step 2: Convert to fraction form
    555,713.92/766,885.99 = 301,065.11/x
  3. Step 3: Cross multiply
    555,713.92x = 766,885.99 × 301,065.11
  4. Step 4: Simplify right side
    555,713.92x = 230,882,610,349.72
  5. Step 5: Solve for x
    x = 230,882,610,349.72/555,713.92
  6. Step 6: Final answer
    x = 415,470.27

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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.