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Finding the Fourth Proportional to 794.88, 1,192.08 and 332.40

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Solution

The fourth proportional to 794.88, 1,192.08 and 332.40 is: 498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.88 : 1,192.08 = 332.40 : x
  2. Step 2: Convert to fraction form
    794.88/1,192.08 = 332.40/x
  3. Step 3: Cross multiply
    794.88x = 1,192.08 × 332.40
  4. Step 4: Simplify right side
    794.88x = 396,253.11
  5. Step 5: Solve for x
    x = 396,253.11/794.88
  6. Step 6: Final answer
    x = 498.51

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1.5x scale

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.