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Finding the Fourth Proportional to 880.52, 1,319.79 and 332.33

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Solution

The fourth proportional to 880.52, 1,319.79 and 332.33 is: 498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.52 : 1,319.79 = 332.33 : x
  2. Step 2: Convert to fraction form
    880.52/1,319.79 = 332.33/x
  3. Step 3: Cross multiply
    880.52x = 1,319.79 × 332.33
  4. Step 4: Simplify right side
    880.52x = 438,605.81
  5. Step 5: Solve for x
    x = 438,605.81/880.52
  6. Step 6: Final answer
    x = 498.12

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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.