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Finding the Fourth Proportional to 504,642.43, 756,977.31 and 125,547.85

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Solution

The fourth proportional to 504,642.43, 756,977.31 and 125,547.85 is: 188,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,642.43 : 756,977.31 = 125,547.85 : x
  2. Step 2: Convert to fraction form
    504,642.43/756,977.31 = 125,547.85/x
  3. Step 3: Cross multiply
    504,642.43x = 756,977.31 × 125,547.85
  4. Step 4: Simplify right side
    504,642.43x = 95,036,873,769.28
  5. Step 5: Solve for x
    x = 95,036,873,769.28/504,642.43
  6. Step 6: Final answer
    x = 188,325.17

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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.