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Finding the Fourth Proportional to 555,759.38, 766,937.89 and 314,036.75

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Solution

The fourth proportional to 555,759.38, 766,937.89 and 314,036.75 is: 433,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,759.38 : 766,937.89 = 314,036.75 : x
  2. Step 2: Convert to fraction form
    555,759.38/766,937.89 = 314,036.75/x
  3. Step 3: Cross multiply
    555,759.38x = 766,937.89 × 314,036.75
  4. Step 4: Simplify right side
    555,759.38x = 240,846,682,427.46
  5. Step 5: Solve for x
    x = 240,846,682,427.46/555,759.38
  6. Step 6: Final answer
    x = 433,365.03

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1.5x scale

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.