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Finding the Fourth Proportional to 424,906.72, 586,348.41 and 243,609.82

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Solution

The fourth proportional to 424,906.72, 586,348.41 and 243,609.82 is: 336,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,906.72 : 586,348.41 = 243,609.82 : x
  2. Step 2: Convert to fraction form
    424,906.72/586,348.41 = 243,609.82/x
  3. Step 3: Cross multiply
    424,906.72x = 586,348.41 × 243,609.82
  4. Step 4: Simplify right side
    424,906.72x = 142,840,230,617.39
  5. Step 5: Solve for x
    x = 142,840,230,617.39/424,906.72
  6. Step 6: Final answer
    x = 336,168.44

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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.