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Finding the Fourth Proportional to 1,332.81, 1,999.25 and 467.13

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Solution

The fourth proportional to 1,332.81, 1,999.25 and 467.13 is: 700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.81 : 1,999.25 = 467.13 : x
  2. Step 2: Convert to fraction form
    1,332.81/1,999.25 = 467.13/x
  3. Step 3: Cross multiply
    1,332.81x = 1,999.25 × 467.13
  4. Step 4: Simplify right side
    1,332.81x = 933,909.65
  5. Step 5: Solve for x
    x = 933,909.65/1,332.81
  6. Step 6: Final answer
    x = 700.71

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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.