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Finding the Fourth Proportional to 555,759.36, 766,937.88 and 314,036.73

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Solution

The fourth proportional to 555,759.36, 766,937.88 and 314,036.73 is: 433,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,759.36 : 766,937.88 = 314,036.73 : x
  2. Step 2: Convert to fraction form
    555,759.36/766,937.88 = 314,036.73/x
  3. Step 3: Cross multiply
    555,759.36x = 766,937.88 × 314,036.73
  4. Step 4: Simplify right side
    555,759.36x = 240,846,663,948.33
  5. Step 5: Solve for x
    x = 240,846,663,948.33/555,759.36
  6. Step 6: Final answer
    x = 433,365.02

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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.