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Finding the Fourth Proportional to 1,332.04, 1,996.86 and 465.96

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Solution

The fourth proportional to 1,332.04, 1,996.86 and 465.96 is: 698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.04 : 1,996.86 = 465.96 : x
  2. Step 2: Convert to fraction form
    1,332.04/1,996.86 = 465.96/x
  3. Step 3: Cross multiply
    1,332.04x = 1,996.86 × 465.96
  4. Step 4: Simplify right side
    1,332.04x = 930,456.89
  5. Step 5: Solve for x
    x = 930,456.89/1,332.04
  6. Step 6: Final answer
    x = 698.52

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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.