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Finding the Fourth Proportional to 1,166.55, 1,748.79 and 473.73

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Solution

The fourth proportional to 1,166.55, 1,748.79 and 473.73 is: 710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.55 : 1,748.79 = 473.73 : x
  2. Step 2: Convert to fraction form
    1,166.55/1,748.79 = 473.73/x
  3. Step 3: Cross multiply
    1,166.55x = 1,748.79 × 473.73
  4. Step 4: Simplify right side
    1,166.55x = 828,454.29
  5. Step 5: Solve for x
    x = 828,454.29/1,166.55
  6. Step 6: Final answer
    x = 710.17

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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.