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Finding the Fourth Proportional to 951.06, 1,423.85 and 584.76

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Solution

The fourth proportional to 951.06, 1,423.85 and 584.76 is: 875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.06 : 1,423.85 = 584.76 : x
  2. Step 2: Convert to fraction form
    951.06/1,423.85 = 584.76/x
  3. Step 3: Cross multiply
    951.06x = 1,423.85 × 584.76
  4. Step 4: Simplify right side
    951.06x = 832,607.60
  5. Step 5: Solve for x
    x = 832,607.60/951.06
  6. Step 6: Final answer
    x = 875.45

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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.