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Finding the Fourth Proportional to 582.51, 803.91 and 333.91

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Solution

The fourth proportional to 582.51, 803.91 and 333.91 is: 460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.51 : 803.91 = 333.91 : x
  2. Step 2: Convert to fraction form
    582.51/803.91 = 333.91/x
  3. Step 3: Cross multiply
    582.51x = 803.91 × 333.91
  4. Step 4: Simplify right side
    582.51x = 268,433.59
  5. Step 5: Solve for x
    x = 268,433.59/582.51
  6. Step 6: Final answer
    x = 460.82

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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.