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Finding the Fourth Proportional to 582.61, 803.95 and 333.89

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Solution

The fourth proportional to 582.61, 803.95 and 333.89 is: 460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.61 : 803.95 = 333.89 : x
  2. Step 2: Convert to fraction form
    582.61/803.95 = 333.89/x
  3. Step 3: Cross multiply
    582.61x = 803.95 × 333.89
  4. Step 4: Simplify right side
    582.61x = 268,430.87
  5. Step 5: Solve for x
    x = 268,430.87/582.61
  6. Step 6: Final answer
    x = 460.74

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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.