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Finding the Fourth Proportional to 1,332.07, 1,999.03 and 466.38

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Solution

The fourth proportional to 1,332.07, 1,999.03 and 466.38 is: 699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.07 : 1,999.03 = 466.38 : x
  2. Step 2: Convert to fraction form
    1,332.07/1,999.03 = 466.38/x
  3. Step 3: Cross multiply
    1,332.07x = 1,999.03 × 466.38
  4. Step 4: Simplify right side
    1,332.07x = 932,312.94
  5. Step 5: Solve for x
    x = 932,312.94/1,332.07
  6. Step 6: Final answer
    x = 699.90

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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.