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Finding the Fourth Proportional to 585.16, 878.46 and 554.92

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Solution

The fourth proportional to 585.16, 878.46 and 554.92 is: 833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.16 : 878.46 = 554.92 : x
  2. Step 2: Convert to fraction form
    585.16/878.46 = 554.92/x
  3. Step 3: Cross multiply
    585.16x = 878.46 × 554.92
  4. Step 4: Simplify right side
    585.16x = 487,475.02
  5. Step 5: Solve for x
    x = 487,475.02/585.16
  6. Step 6: Final answer
    x = 833.06

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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.