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Finding the Fourth Proportional to 1,133.97, 1,701.57 and 476.30

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Solution

The fourth proportional to 1,133.97, 1,701.57 and 476.30 is: 714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.97 : 1,701.57 = 476.30 : x
  2. Step 2: Convert to fraction form
    1,133.97/1,701.57 = 476.30/x
  3. Step 3: Cross multiply
    1,133.97x = 1,701.57 × 476.30
  4. Step 4: Simplify right side
    1,133.97x = 810,449.28
  5. Step 5: Solve for x
    x = 810,449.28/1,133.97
  6. Step 6: Final answer
    x = 714.70

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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.