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Finding the Fourth Proportional to 836.92, 1,253.54 and 592.70

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Solution

The fourth proportional to 836.92, 1,253.54 and 592.70 is: 887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.92 : 1,253.54 = 592.70 : x
  2. Step 2: Convert to fraction form
    836.92/1,253.54 = 592.70/x
  3. Step 3: Cross multiply
    836.92x = 1,253.54 × 592.70
  4. Step 4: Simplify right side
    836.92x = 742,977.77
  5. Step 5: Solve for x
    x = 742,977.77/836.92
  6. Step 6: Final answer
    x = 887.76

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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.