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Finding the Fourth Proportional to 332,218.86, 458,302.60 and 217,446.98

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Solution

The fourth proportional to 332,218.86, 458,302.60 and 217,446.98 is: 299,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,218.86 : 458,302.60 = 217,446.98 : x
  2. Step 2: Convert to fraction form
    332,218.86/458,302.60 = 217,446.98/x
  3. Step 3: Cross multiply
    332,218.86x = 458,302.60 × 217,446.98
  4. Step 4: Simplify right side
    332,218.86x = 99,656,516,296.15
  5. Step 5: Solve for x
    x = 99,656,516,296.15/332,218.86
  6. Step 6: Final answer
    x = 299,972.48

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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.