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Finding the Fourth Proportional to 1,464.51, 2,196.24 and 539.87

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Solution

The fourth proportional to 1,464.51, 2,196.24 and 539.87 is: 809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.51 : 2,196.24 = 539.87 : x
  2. Step 2: Convert to fraction form
    1,464.51/2,196.24 = 539.87/x
  3. Step 3: Cross multiply
    1,464.51x = 2,196.24 × 539.87
  4. Step 4: Simplify right side
    1,464.51x = 1,185,673.11
  5. Step 5: Solve for x
    x = 1,185,673.11/1,464.51
  6. Step 6: Final answer
    x = 809.60

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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.