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Finding the Fourth Proportional to 392,158.02, 588,237 and 274,060.02

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Solution

The fourth proportional to 392,158.02, 588,237 and 274,060.02 is: 411,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,158.02 : 588,237 = 274,060.02 : x
  2. Step 2: Convert to fraction form
    392,158.02/588,237 = 274,060.02/x
  3. Step 3: Cross multiply
    392,158.02x = 588,237 × 274,060.02
  4. Step 4: Simplify right side
    392,158.02x = 161,212,243,984.74
  5. Step 5: Solve for x
    x = 161,212,243,984.74/392,158.02
  6. Step 6: Final answer
    x = 411,090.01

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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.