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Finding the Fourth Proportional to 598.14, 824.82 and 473.40

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Solution

The fourth proportional to 598.14, 824.82 and 473.40 is: 652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.14 : 824.82 = 473.40 : x
  2. Step 2: Convert to fraction form
    598.14/824.82 = 473.40/x
  3. Step 3: Cross multiply
    598.14x = 824.82 × 473.40
  4. Step 4: Simplify right side
    598.14x = 390,469.79
  5. Step 5: Solve for x
    x = 390,469.79/598.14
  6. Step 6: Final answer
    x = 652.81

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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.