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Finding the Fourth Proportional to 1,464.81, 2,195.78 and 587.07

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Solution

The fourth proportional to 1,464.81, 2,195.78 and 587.07 is: 880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.81 : 2,195.78 = 587.07 : x
  2. Step 2: Convert to fraction form
    1,464.81/2,195.78 = 587.07/x
  3. Step 3: Cross multiply
    1,464.81x = 2,195.78 × 587.07
  4. Step 4: Simplify right side
    1,464.81x = 1,289,073.63
  5. Step 5: Solve for x
    x = 1,289,073.63/1,464.81
  6. Step 6: Final answer
    x = 880.03

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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.