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Finding the Fourth Proportional to 218,614.62, 301,827.45 and 178,424.22

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Solution

The fourth proportional to 218,614.62, 301,827.45 and 178,424.22 is: 246,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614.62 : 301,827.45 = 178,424.22 : x
  2. Step 2: Convert to fraction form
    218,614.62/301,827.45 = 178,424.22/x
  3. Step 3: Cross multiply
    218,614.62x = 301,827.45 × 178,424.22
  4. Step 4: Simplify right side
    218,614.62x = 53,853,327,340.84
  5. Step 5: Solve for x
    x = 53,853,327,340.84/218,614.62
  6. Step 6: Final answer
    x = 246,339.09

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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.