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Finding the Fourth Proportional to 1,135.18, 1,701.16 and 476.34

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Solution

The fourth proportional to 1,135.18, 1,701.16 and 476.34 is: 713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.18 : 1,701.16 = 476.34 : x
  2. Step 2: Convert to fraction form
    1,135.18/1,701.16 = 476.34/x
  3. Step 3: Cross multiply
    1,135.18x = 1,701.16 × 476.34
  4. Step 4: Simplify right side
    1,135.18x = 810,330.55
  5. Step 5: Solve for x
    x = 810,330.55/1,135.18
  6. Step 6: Final answer
    x = 713.83

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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.