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Finding the Fourth Proportional to 423.24, 632.04 and 373.56

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Solution

The fourth proportional to 423.24, 632.04 and 373.56 is: 557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.24 : 632.04 = 373.56 : x
  2. Step 2: Convert to fraction form
    423.24/632.04 = 373.56/x
  3. Step 3: Cross multiply
    423.24x = 632.04 × 373.56
  4. Step 4: Simplify right side
    423.24x = 236,104.86
  5. Step 5: Solve for x
    x = 236,104.86/423.24
  6. Step 6: Final answer
    x = 557.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.