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Finding the Fourth Proportional to 338,523.16, 467,162.34 and 187,620.28

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Solution

The fourth proportional to 338,523.16, 467,162.34 and 187,620.28 is: 258,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,523.16 : 467,162.34 = 187,620.28 : x
  2. Step 2: Convert to fraction form
    338,523.16/467,162.34 = 187,620.28/x
  3. Step 3: Cross multiply
    338,523.16x = 467,162.34 × 187,620.28
  4. Step 4: Simplify right side
    338,523.16x = 87,649,129,036.26
  5. Step 5: Solve for x
    x = 87,649,129,036.26/338,523.16
  6. Step 6: Final answer
    x = 258,916.20

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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.