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Finding the Fourth Proportional to 582,021.78, 871,410.57 and 297,099.42

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Solution

The fourth proportional to 582,021.78, 871,410.57 and 297,099.42 is: 444,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,021.78 : 871,410.57 = 297,099.42 : x
  2. Step 2: Convert to fraction form
    582,021.78/871,410.57 = 297,099.42/x
  3. Step 3: Cross multiply
    582,021.78x = 871,410.57 × 297,099.42
  4. Step 4: Simplify right side
    582,021.78x = 258,895,574,928.87
  5. Step 5: Solve for x
    x = 258,895,574,928.87/582,021.78
  6. Step 6: Final answer
    x = 444,821.11

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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.