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Finding the Fourth Proportional to 284,302.70, 426,095.91 and 248,679.20

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Solution

The fourth proportional to 284,302.70, 426,095.91 and 248,679.20 is: 372,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,302.70 : 426,095.91 = 248,679.20 : x
  2. Step 2: Convert to fraction form
    284,302.70/426,095.91 = 248,679.20/x
  3. Step 3: Cross multiply
    284,302.70x = 426,095.91 × 248,679.20
  4. Step 4: Simplify right side
    284,302.70x = 105,961,187,891.59
  5. Step 5: Solve for x
    x = 105,961,187,891.59/284,302.70
  6. Step 6: Final answer
    x = 372,705.53

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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.