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Finding the Fourth Proportional to 523,635.82, 784,788.72 and 270,868.84

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Solution

The fourth proportional to 523,635.82, 784,788.72 and 270,868.84 is: 405,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,635.82 : 784,788.72 = 270,868.84 : x
  2. Step 2: Convert to fraction form
    523,635.82/784,788.72 = 270,868.84/x
  3. Step 3: Cross multiply
    523,635.82x = 784,788.72 × 270,868.84
  4. Step 4: Simplify right side
    523,635.82x = 212,574,810,231.49
  5. Step 5: Solve for x
    x = 212,574,810,231.49/523,635.82
  6. Step 6: Final answer
    x = 405,959.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.