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Finding the Fourth Proportional to 524,361.42, 723,680.19 and 298,040.94

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Solution

The fourth proportional to 524,361.42, 723,680.19 and 298,040.94 is: 411,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,361.42 : 723,680.19 = 298,040.94 : x
  2. Step 2: Convert to fraction form
    524,361.42/723,680.19 = 298,040.94/x
  3. Step 3: Cross multiply
    524,361.42x = 723,680.19 × 298,040.94
  4. Step 4: Simplify right side
    524,361.42x = 215,686,324,086.98
  5. Step 5: Solve for x
    x = 215,686,324,086.98/524,361.42
  6. Step 6: Final answer
    x = 411,331.41

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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.