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Finding the Fourth Proportional to 316,513.35, 436,793.82 and 195,651.52

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Solution

The fourth proportional to 316,513.35, 436,793.82 and 195,651.52 is: 270,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,513.35 : 436,793.82 = 195,651.52 : x
  2. Step 2: Convert to fraction form
    316,513.35/436,793.82 = 195,651.52/x
  3. Step 3: Cross multiply
    316,513.35x = 436,793.82 × 195,651.52
  4. Step 4: Simplify right side
    316,513.35x = 85,459,374,809.61
  5. Step 5: Solve for x
    x = 85,459,374,809.61/316,513.35
  6. Step 6: Final answer
    x = 270,002.43

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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.