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Finding the Fourth Proportional to 836.55, 1,253.45 and 592.63

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Solution

The fourth proportional to 836.55, 1,253.45 and 592.63 is: 887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.55 : 1,253.45 = 592.63 : x
  2. Step 2: Convert to fraction form
    836.55/1,253.45 = 592.63/x
  3. Step 3: Cross multiply
    836.55x = 1,253.45 × 592.63
  4. Step 4: Simplify right side
    836.55x = 742,832.07
  5. Step 5: Solve for x
    x = 742,832.07/836.55
  6. Step 6: Final answer
    x = 887.97

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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.