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Finding the Fourth Proportional to 1,041.68, 1,437.40 and 575.92

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Solution

The fourth proportional to 1,041.68, 1,437.40 and 575.92 is: 794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.68 : 1,437.40 = 575.92 : x
  2. Step 2: Convert to fraction form
    1,041.68/1,437.40 = 575.92/x
  3. Step 3: Cross multiply
    1,041.68x = 1,437.40 × 575.92
  4. Step 4: Simplify right side
    1,041.68x = 827,827.41
  5. Step 5: Solve for x
    x = 827,827.41/1,041.68
  6. Step 6: Final answer
    x = 794.70

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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.