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Finding the Fourth Proportional to 524,238.45, 785,096.44 and 298,915.78

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Solution

The fourth proportional to 524,238.45, 785,096.44 and 298,915.78 is: 447,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,238.45 : 785,096.44 = 298,915.78 : x
  2. Step 2: Convert to fraction form
    524,238.45/785,096.44 = 298,915.78/x
  3. Step 3: Cross multiply
    524,238.45x = 785,096.44 × 298,915.78
  4. Step 4: Simplify right side
    524,238.45x = 234,677,714,737.82
  5. Step 5: Solve for x
    x = 234,677,714,737.82/524,238.45
  6. Step 6: Final answer
    x = 447,654.53

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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.