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Finding the Fourth Proportional to 336,542.88, 464,479.44 and 215,820.48

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Solution

The fourth proportional to 336,542.88, 464,479.44 and 215,820.48 is: 297,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,542.88 : 464,479.44 = 215,820.48 : x
  2. Step 2: Convert to fraction form
    336,542.88/464,479.44 = 215,820.48/x
  3. Step 3: Cross multiply
    336,542.88x = 464,479.44 × 215,820.48
  4. Step 4: Simplify right side
    336,542.88x = 100,244,175,690.93
  5. Step 5: Solve for x
    x = 100,244,175,690.93/336,542.88
  6. Step 6: Final answer
    x = 297,864.50

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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.