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Finding the Fourth Proportional to 336,482.64, 464,396.40 and 215,760.24

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Solution

The fourth proportional to 336,482.64, 464,396.40 and 215,760.24 is: 297,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,482.64 : 464,396.40 = 215,760.24 : x
  2. Step 2: Convert to fraction form
    336,482.64/464,396.40 = 215,760.24/x
  3. Step 3: Cross multiply
    336,482.64x = 464,396.40 × 215,760.24
  4. Step 4: Simplify right side
    336,482.64x = 100,198,278,719.14
  5. Step 5: Solve for x
    x = 100,198,278,719.14/336,482.64
  6. Step 6: Final answer
    x = 297,781.42

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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.