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Finding the Fourth Proportional to 336,647.58, 464,153.45 and 215,589.84

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Solution

The fourth proportional to 336,647.58, 464,153.45 and 215,589.84 is: 297,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,647.58 : 464,153.45 = 215,589.84 : x
  2. Step 2: Convert to fraction form
    336,647.58/464,153.45 = 215,589.84/x
  3. Step 3: Cross multiply
    336,647.58x = 464,153.45 × 215,589.84
  4. Step 4: Simplify right side
    336,647.58x = 100,066,768,020.95
  5. Step 5: Solve for x
    x = 100,066,768,020.95/336,647.58
  6. Step 6: Final answer
    x = 297,244.88

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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.