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Finding the Fourth Proportional to 552,404.37, 762,422.84 and 345,768.64

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Solution

The fourth proportional to 552,404.37, 762,422.84 and 345,768.64 is: 477,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,404.37 : 762,422.84 = 345,768.64 : x
  2. Step 2: Convert to fraction form
    552,404.37/762,422.84 = 345,768.64/x
  3. Step 3: Cross multiply
    552,404.37x = 762,422.84 × 345,768.64
  4. Step 4: Simplify right side
    552,404.37x = 263,621,908,491.74
  5. Step 5: Solve for x
    x = 263,621,908,491.74/552,404.37
  6. Step 6: Final answer
    x = 477,226.33

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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.