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Finding the Fourth Proportional to 342,766.52, 473,011.99 and 189,801.43

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Solution

The fourth proportional to 342,766.52, 473,011.99 and 189,801.43 is: 261,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,766.52 : 473,011.99 = 189,801.43 : x
  2. Step 2: Convert to fraction form
    342,766.52/473,011.99 = 189,801.43/x
  3. Step 3: Cross multiply
    342,766.52x = 473,011.99 × 189,801.43
  4. Step 4: Simplify right side
    342,766.52x = 89,778,350,452.11
  5. Step 5: Solve for x
    x = 89,778,350,452.11/342,766.52
  6. Step 6: Final answer
    x = 261,922.75

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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.