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Finding the Fourth Proportional to 1,167.16, 1,751.09 and 473.70

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Solution

The fourth proportional to 1,167.16, 1,751.09 and 473.70 is: 710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.16 : 1,751.09 = 473.70 : x
  2. Step 2: Convert to fraction form
    1,167.16/1,751.09 = 473.70/x
  3. Step 3: Cross multiply
    1,167.16x = 1,751.09 × 473.70
  4. Step 4: Simplify right side
    1,167.16x = 829,491.33
  5. Step 5: Solve for x
    x = 829,491.33/1,167.16
  6. Step 6: Final answer
    x = 710.69

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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.