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Finding the Fourth Proportional to 414,995.89, 572,686.55 and 253,839.10

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Solution

The fourth proportional to 414,995.89, 572,686.55 and 253,839.10 is: 350,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,995.89 : 572,686.55 = 253,839.10 : x
  2. Step 2: Convert to fraction form
    414,995.89/572,686.55 = 253,839.10/x
  3. Step 3: Cross multiply
    414,995.89x = 572,686.55 × 253,839.10
  4. Step 4: Simplify right side
    414,995.89x = 145,370,238,434.11
  5. Step 5: Solve for x
    x = 145,370,238,434.11/414,995.89
  6. Step 6: Final answer
    x = 350,293.20

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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.