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Finding the Fourth Proportional to 1,463.48, 2,195.26 and 818.32

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Solution

The fourth proportional to 1,463.48, 2,195.26 and 818.32 is: 1,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.48 : 2,195.26 = 818.32 : x
  2. Step 2: Convert to fraction form
    1,463.48/2,195.26 = 818.32/x
  3. Step 3: Cross multiply
    1,463.48x = 2,195.26 × 818.32
  4. Step 4: Simplify right side
    1,463.48x = 1,796,425.16
  5. Step 5: Solve for x
    x = 1,796,425.16/1,463.48
  6. Step 6: Final answer
    x = 1,227.50

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1.5x scale

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.