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Finding the Fourth Proportional to 1,169.41, 1,754.72 and 476.59

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Solution

The fourth proportional to 1,169.41, 1,754.72 and 476.59 is: 715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.41 : 1,754.72 = 476.59 : x
  2. Step 2: Convert to fraction form
    1,169.41/1,754.72 = 476.59/x
  3. Step 3: Cross multiply
    1,169.41x = 1,754.72 × 476.59
  4. Step 4: Simplify right side
    1,169.41x = 836,282.00
  5. Step 5: Solve for x
    x = 836,282.00/1,169.41
  6. Step 6: Final answer
    x = 715.13

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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.