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Finding the Fourth Proportional to 581.44, 802.33 and 332.70

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Solution

The fourth proportional to 581.44, 802.33 and 332.70 is: 459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.44 : 802.33 = 332.70 : x
  2. Step 2: Convert to fraction form
    581.44/802.33 = 332.70/x
  3. Step 3: Cross multiply
    581.44x = 802.33 × 332.70
  4. Step 4: Simplify right side
    581.44x = 266,934.43
  5. Step 5: Solve for x
    x = 266,934.43/581.44
  6. Step 6: Final answer
    x = 459.10

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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.