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Finding the Fourth Proportional to 338,853.15, 467,632.08 and 202,860.90

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Solution

The fourth proportional to 338,853.15, 467,632.08 and 202,860.90 is: 279,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,853.15 : 467,632.08 = 202,860.90 : x
  2. Step 2: Convert to fraction form
    338,853.15/467,632.08 = 202,860.90/x
  3. Step 3: Cross multiply
    338,853.15x = 467,632.08 × 202,860.90
  4. Step 4: Simplify right side
    338,853.15x = 94,864,264,617.67
  5. Step 5: Solve for x
    x = 94,864,264,617.67/338,853.15
  6. Step 6: Final answer
    x = 279,956.86

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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.