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Finding the Fourth Proportional to 1,655.11, 2,482.07 and 544.24

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Solution

The fourth proportional to 1,655.11, 2,482.07 and 544.24 is: 816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.11 : 2,482.07 = 544.24 : x
  2. Step 2: Convert to fraction form
    1,655.11/2,482.07 = 544.24/x
  3. Step 3: Cross multiply
    1,655.11x = 2,482.07 × 544.24
  4. Step 4: Simplify right side
    1,655.11x = 1,350,854.11
  5. Step 5: Solve for x
    x = 1,350,854.11/1,655.11
  6. Step 6: Final answer
    x = 816.17

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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.