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Finding the Fourth Proportional to 1,456.48, 2,184.72 and 482.36

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Solution

The fourth proportional to 1,456.48, 2,184.72 and 482.36 is: 723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.48 : 2,184.72 = 482.36 : x
  2. Step 2: Convert to fraction form
    1,456.48/2,184.72 = 482.36/x
  3. Step 3: Cross multiply
    1,456.48x = 2,184.72 × 482.36
  4. Step 4: Simplify right side
    1,456.48x = 1,053,811.52
  5. Step 5: Solve for x
    x = 1,053,811.52/1,456.48
  6. Step 6: Final answer
    x = 723.53

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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.