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Finding the Fourth Proportional to 1,332.45, 1,998.63 and 466.74

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Solution

The fourth proportional to 1,332.45, 1,998.63 and 466.74 is: 700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.45 : 1,998.63 = 466.74 : x
  2. Step 2: Convert to fraction form
    1,332.45/1,998.63 = 466.74/x
  3. Step 3: Cross multiply
    1,332.45x = 1,998.63 × 466.74
  4. Step 4: Simplify right side
    1,332.45x = 932,840.57
  5. Step 5: Solve for x
    x = 932,840.57/1,332.45
  6. Step 6: Final answer
    x = 700.09

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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.