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Finding the Fourth Proportional to 581.46, 802.17 and 332.57

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Solution

The fourth proportional to 581.46, 802.17 and 332.57 is: 458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.46 : 802.17 = 332.57 : x
  2. Step 2: Convert to fraction form
    581.46/802.17 = 332.57/x
  3. Step 3: Cross multiply
    581.46x = 802.17 × 332.57
  4. Step 4: Simplify right side
    581.46x = 266,773.67
  5. Step 5: Solve for x
    x = 266,773.67/581.46
  6. Step 6: Final answer
    x = 458.80

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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.