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Finding the Fourth Proportional to 1,594.76, 2,391.87 and 440.51

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Solution

The fourth proportional to 1,594.76, 2,391.87 and 440.51 is: 660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.76 : 2,391.87 = 440.51 : x
  2. Step 2: Convert to fraction form
    1,594.76/2,391.87 = 440.51/x
  3. Step 3: Cross multiply
    1,594.76x = 2,391.87 × 440.51
  4. Step 4: Simplify right side
    1,594.76x = 1,053,642.65
  5. Step 5: Solve for x
    x = 1,053,642.65/1,594.76
  6. Step 6: Final answer
    x = 660.69

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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.