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Finding the Fourth Proportional to 432.04, 596.45 and 284.91

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Solution

The fourth proportional to 432.04, 596.45 and 284.91 is: 393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.04 : 596.45 = 284.91 : x
  2. Step 2: Convert to fraction form
    432.04/596.45 = 284.91/x
  3. Step 3: Cross multiply
    432.04x = 596.45 × 284.91
  4. Step 4: Simplify right side
    432.04x = 169,934.57
  5. Step 5: Solve for x
    x = 169,934.57/432.04
  6. Step 6: Final answer
    x = 393.33

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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.