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Finding the Fourth Proportional to 582.42, 803.74 and 333.74

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Solution

The fourth proportional to 582.42, 803.74 and 333.74 is: 460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.42 : 803.74 = 333.74 : x
  2. Step 2: Convert to fraction form
    582.42/803.74 = 333.74/x
  3. Step 3: Cross multiply
    582.42x = 803.74 × 333.74
  4. Step 4: Simplify right side
    582.42x = 268,238.52
  5. Step 5: Solve for x
    x = 268,238.52/582.42
  6. Step 6: Final answer
    x = 460.56

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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.