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Finding the Fourth Proportional to 336,480.10, 464,392.91 and 215,757.70

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Solution

The fourth proportional to 336,480.10, 464,392.91 and 215,757.70 is: 297,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,480.10 : 464,392.91 = 215,757.70 : x
  2. Step 2: Convert to fraction form
    336,480.10/464,392.91 = 215,757.70/x
  3. Step 3: Cross multiply
    336,480.10x = 464,392.91 × 215,757.70
  4. Step 4: Simplify right side
    336,480.10x = 100,196,346,157.91
  5. Step 5: Solve for x
    x = 100,196,346,157.91/336,480.10
  6. Step 6: Final answer
    x = 297,777.93

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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.