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Finding the Fourth Proportional to 581.13, 801.99 and 332.46

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Solution

The fourth proportional to 581.13, 801.99 and 332.46 is: 458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.13 : 801.99 = 332.46 : x
  2. Step 2: Convert to fraction form
    581.13/801.99 = 332.46/x
  3. Step 3: Cross multiply
    581.13x = 801.99 × 332.46
  4. Step 4: Simplify right side
    581.13x = 266,629.60
  5. Step 5: Solve for x
    x = 266,629.60/581.13
  6. Step 6: Final answer
    x = 458.81

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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.