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Finding the Fourth Proportional to 1,167.18, 1,751.46 and 473.91

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Solution

The fourth proportional to 1,167.18, 1,751.46 and 473.91 is: 711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.18 : 1,751.46 = 473.91 : x
  2. Step 2: Convert to fraction form
    1,167.18/1,751.46 = 473.91/x
  3. Step 3: Cross multiply
    1,167.18x = 1,751.46 × 473.91
  4. Step 4: Simplify right side
    1,167.18x = 830,034.41
  5. Step 5: Solve for x
    x = 830,034.41/1,167.18
  6. Step 6: Final answer
    x = 711.15

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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.