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Finding the Fourth Proportional to 341,569.55, 512,354.33 and 131,212.55

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Solution

The fourth proportional to 341,569.55, 512,354.33 and 131,212.55 is: 196,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,569.55 : 512,354.33 = 131,212.55 : x
  2. Step 2: Convert to fraction form
    341,569.55/512,354.33 = 131,212.55/x
  3. Step 3: Cross multiply
    341,569.55x = 512,354.33 × 131,212.55
  4. Step 4: Simplify right side
    341,569.55x = 67,227,317,486.78
  5. Step 5: Solve for x
    x = 67,227,317,486.78/341,569.55
  6. Step 6: Final answer
    x = 196,818.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.