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Finding the Fourth Proportional to 1,350.76, 2,026.24 and 473.16

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Solution

The fourth proportional to 1,350.76, 2,026.24 and 473.16 is: 709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.76 : 2,026.24 = 473.16 : x
  2. Step 2: Convert to fraction form
    1,350.76/2,026.24 = 473.16/x
  3. Step 3: Cross multiply
    1,350.76x = 2,026.24 × 473.16
  4. Step 4: Simplify right side
    1,350.76x = 958,742.13
  5. Step 5: Solve for x
    x = 958,742.13/1,350.76
  6. Step 6: Final answer
    x = 709.78

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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.