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Finding the Fourth Proportional to 332,760, 459,048.24 and 217,988.58

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Solution

The fourth proportional to 332,760, 459,048.24 and 217,988.58 is: 300,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,760 : 459,048.24 = 217,988.58 : x
  2. Step 2: Convert to fraction form
    332,760/459,048.24 = 217,988.58/x
  3. Step 3: Cross multiply
    332,760x = 459,048.24 × 217,988.58
  4. Step 4: Simplify right side
    332,760x = 100,067,273,989.10
  5. Step 5: Solve for x
    x = 100,067,273,989.10/332,760
  6. Step 6: Final answer
    x = 300,719.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.