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Finding the Fourth Proportional to 555,757.38, 766,935.13 and 314,034.75

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Solution

The fourth proportional to 555,757.38, 766,935.13 and 314,034.75 is: 433,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,757.38 : 766,935.13 = 314,034.75 : x
  2. Step 2: Convert to fraction form
    555,757.38/766,935.13 = 314,034.75/x
  3. Step 3: Cross multiply
    555,757.38x = 766,935.13 × 314,034.75
  4. Step 4: Simplify right side
    555,757.38x = 240,844,281,815.77
  5. Step 5: Solve for x
    x = 240,844,281,815.77/555,757.38
  6. Step 6: Final answer
    x = 433,362.27

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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.