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Finding the Fourth Proportional to 392,256.01, 588,384.02 and 274,158.01

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Solution

The fourth proportional to 392,256.01, 588,384.02 and 274,158.01 is: 411,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,256.01 : 588,384.02 = 274,158.01 : x
  2. Step 2: Convert to fraction form
    392,256.01/588,384.02 = 274,158.01/x
  3. Step 3: Cross multiply
    392,256.01x = 588,384.02 × 274,158.01
  4. Step 4: Simplify right side
    392,256.01x = 161,310,187,726.29
  5. Step 5: Solve for x
    x = 161,310,187,726.29/392,256.01
  6. Step 6: Final answer
    x = 411,237.01

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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.