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Finding the Fourth Proportional to 338,122.80, 466,608.60 and 187,225.20

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Solution

The fourth proportional to 338,122.80, 466,608.60 and 187,225.20 is: 258,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,122.80 : 466,608.60 = 187,225.20 : x
  2. Step 2: Convert to fraction form
    338,122.80/466,608.60 = 187,225.20/x
  3. Step 3: Cross multiply
    338,122.80x = 466,608.60 × 187,225.20
  4. Step 4: Simplify right side
    338,122.80x = 87,360,888,456.72
  5. Step 5: Solve for x
    x = 87,360,888,456.72/338,122.80
  6. Step 6: Final answer
    x = 258,370.30

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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.