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Finding the Fourth Proportional to 1,134.95, 1,701.29 and 540.92

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Solution

The fourth proportional to 1,134.95, 1,701.29 and 540.92 is: 810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.95 : 1,701.29 = 540.92 : x
  2. Step 2: Convert to fraction form
    1,134.95/1,701.29 = 540.92/x
  3. Step 3: Cross multiply
    1,134.95x = 1,701.29 × 540.92
  4. Step 4: Simplify right side
    1,134.95x = 920,267.39
  5. Step 5: Solve for x
    x = 920,267.39/1,134.95
  6. Step 6: Final answer
    x = 810.85

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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.