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Finding the Fourth Proportional to 585.96, 878.76 and 404.52

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Solution

The fourth proportional to 585.96, 878.76 and 404.52 is: 606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.96 : 878.76 = 404.52 : x
  2. Step 2: Convert to fraction form
    585.96/878.76 = 404.52/x
  3. Step 3: Cross multiply
    585.96x = 878.76 × 404.52
  4. Step 4: Simplify right side
    585.96x = 355,476.00
  5. Step 5: Solve for x
    x = 355,476.00/585.96
  6. Step 6: Final answer
    x = 606.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.