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Finding the Fourth Proportional to 1,464.94, 2,196.87 and 587.64

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Solution

The fourth proportional to 1,464.94, 2,196.87 and 587.64 is: 881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.94 : 2,196.87 = 587.64 : x
  2. Step 2: Convert to fraction form
    1,464.94/2,196.87 = 587.64/x
  3. Step 3: Cross multiply
    1,464.94x = 2,196.87 × 587.64
  4. Step 4: Simplify right side
    1,464.94x = 1,290,968.69
  5. Step 5: Solve for x
    x = 1,290,968.69/1,464.94
  6. Step 6: Final answer
    x = 881.24

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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.