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Finding the Fourth Proportional to 629,093.80, 942,603.90 and 523,340.20

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Solution

The fourth proportional to 629,093.80, 942,603.90 and 523,340.20 is: 784,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,093.80 : 942,603.90 = 523,340.20 : x
  2. Step 2: Convert to fraction form
    629,093.80/942,603.90 = 523,340.20/x
  3. Step 3: Cross multiply
    629,093.80x = 942,603.90 × 523,340.20
  4. Step 4: Simplify right side
    629,093.80x = 493,302,513,546.78
  5. Step 5: Solve for x
    x = 493,302,513,546.78/629,093.80
  6. Step 6: Final answer
    x = 784,147.79

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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.