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Finding the Fourth Proportional to 732.33, 1,009.02 and 483.24

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Solution

The fourth proportional to 732.33, 1,009.02 and 483.24 is: 665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.33 : 1,009.02 = 483.24 : x
  2. Step 2: Convert to fraction form
    732.33/1,009.02 = 483.24/x
  3. Step 3: Cross multiply
    732.33x = 1,009.02 × 483.24
  4. Step 4: Simplify right side
    732.33x = 487,598.82
  5. Step 5: Solve for x
    x = 487,598.82/732.33
  6. Step 6: Final answer
    x = 665.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.