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Finding the Fourth Proportional to 1,112.04, 1,668.33 and 332.04

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Solution

The fourth proportional to 1,112.04, 1,668.33 and 332.04 is: 498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.04 : 1,668.33 = 332.04 : x
  2. Step 2: Convert to fraction form
    1,112.04/1,668.33 = 332.04/x
  3. Step 3: Cross multiply
    1,112.04x = 1,668.33 × 332.04
  4. Step 4: Simplify right side
    1,112.04x = 553,952.29
  5. Step 5: Solve for x
    x = 553,952.29/1,112.04
  6. Step 6: Final answer
    x = 498.14

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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.