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Finding the Fourth Proportional to 436,233.30, 653,543.55 and 248,687.70

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Solution

The fourth proportional to 436,233.30, 653,543.55 and 248,687.70 is: 372,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,233.30 : 653,543.55 = 248,687.70 : x
  2. Step 2: Convert to fraction form
    436,233.30/653,543.55 = 248,687.70/x
  3. Step 3: Cross multiply
    436,233.30x = 653,543.55 × 248,687.70
  4. Step 4: Simplify right side
    436,233.30x = 162,528,242,299.34
  5. Step 5: Solve for x
    x = 162,528,242,299.34/436,233.30
  6. Step 6: Final answer
    x = 372,571.84

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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.