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Finding the Fourth Proportional to 483,414.48, 724,411.96 and 243,198.20

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Solution

The fourth proportional to 483,414.48, 724,411.96 and 243,198.20 is: 364,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,414.48 : 724,411.96 = 243,198.20 : x
  2. Step 2: Convert to fraction form
    483,414.48/724,411.96 = 243,198.20/x
  3. Step 3: Cross multiply
    483,414.48x = 724,411.96 × 243,198.20
  4. Step 4: Simplify right side
    483,414.48x = 176,175,685,933.51
  5. Step 5: Solve for x
    x = 176,175,685,933.51/483,414.48
  6. Step 6: Final answer
    x = 364,440.23

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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.