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Finding the Fourth Proportional to 1,041.46, 1,437.18 and 575.71

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Solution

The fourth proportional to 1,041.46, 1,437.18 and 575.71 is: 794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.46 : 1,437.18 = 575.71 : x
  2. Step 2: Convert to fraction form
    1,041.46/1,437.18 = 575.71/x
  3. Step 3: Cross multiply
    1,041.46x = 1,437.18 × 575.71
  4. Step 4: Simplify right side
    1,041.46x = 827,398.90
  5. Step 5: Solve for x
    x = 827,398.90/1,041.46
  6. Step 6: Final answer
    x = 794.46

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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.