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Finding the Fourth Proportional to 582.62, 803.97 and 458.60

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Solution

The fourth proportional to 582.62, 803.97 and 458.60 is: 632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.62 : 803.97 = 458.60 : x
  2. Step 2: Convert to fraction form
    582.62/803.97 = 458.60/x
  3. Step 3: Cross multiply
    582.62x = 803.97 × 458.60
  4. Step 4: Simplify right side
    582.62x = 368,696.62
  5. Step 5: Solve for x
    x = 368,696.62/582.62
  6. Step 6: Final answer
    x = 632.83

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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.