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Finding the Fourth Proportional to 400,565.76, 552,775.68 and 241,589.76

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Solution

The fourth proportional to 400,565.76, 552,775.68 and 241,589.76 is: 333,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,565.76 : 552,775.68 = 241,589.76 : x
  2. Step 2: Convert to fraction form
    400,565.76/552,775.68 = 241,589.76/x
  3. Step 3: Cross multiply
    400,565.76x = 552,775.68 × 241,589.76
  4. Step 4: Simplify right side
    400,565.76x = 133,544,943,865.04
  5. Step 5: Solve for x
    x = 133,544,943,865.04/400,565.76
  6. Step 6: Final answer
    x = 333,390.81

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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.