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Finding the Fourth Proportional to 335,716.80, 503,402.40 and 125,246.40

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Solution

The fourth proportional to 335,716.80, 503,402.40 and 125,246.40 is: 187,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,716.80 : 503,402.40 = 125,246.40 : x
  2. Step 2: Convert to fraction form
    335,716.80/503,402.40 = 125,246.40/x
  3. Step 3: Cross multiply
    335,716.80x = 503,402.40 × 125,246.40
  4. Step 4: Simplify right side
    335,716.80x = 63,049,338,351.36
  5. Step 5: Solve for x
    x = 63,049,338,351.36/335,716.80
  6. Step 6: Final answer
    x = 187,805.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.