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Finding the Fourth Proportional to 1,029.44, 1,544.40 and 591.18

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Solution

The fourth proportional to 1,029.44, 1,544.40 and 591.18 is: 886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.44 : 1,544.40 = 591.18 : x
  2. Step 2: Convert to fraction form
    1,029.44/1,544.40 = 591.18/x
  3. Step 3: Cross multiply
    1,029.44x = 1,544.40 × 591.18
  4. Step 4: Simplify right side
    1,029.44x = 913,018.39
  5. Step 5: Solve for x
    x = 913,018.39/1,029.44
  6. Step 6: Final answer
    x = 886.91

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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.