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Finding the Fourth Proportional to 1,065.25, 1,597.17 and 371.59

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Solution

The fourth proportional to 1,065.25, 1,597.17 and 371.59 is: 557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.25 : 1,597.17 = 371.59 : x
  2. Step 2: Convert to fraction form
    1,065.25/1,597.17 = 371.59/x
  3. Step 3: Cross multiply
    1,065.25x = 1,597.17 × 371.59
  4. Step 4: Simplify right side
    1,065.25x = 593,487.71
  5. Step 5: Solve for x
    x = 593,487.71/1,065.25
  6. Step 6: Final answer
    x = 557.13

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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.