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Finding the Fourth Proportional to 649.92, 973.68 and 467.04

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Solution

The fourth proportional to 649.92, 973.68 and 467.04 is: 699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.92 : 973.68 = 467.04 : x
  2. Step 2: Convert to fraction form
    649.92/973.68 = 467.04/x
  3. Step 3: Cross multiply
    649.92x = 973.68 × 467.04
  4. Step 4: Simplify right side
    649.92x = 454,747.51
  5. Step 5: Solve for x
    x = 454,747.51/649.92
  6. Step 6: Final answer
    x = 699.70

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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.