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Finding the Fourth Proportional to 436,270.80, 653,599.80 and 248,725.20

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Solution

The fourth proportional to 436,270.80, 653,599.80 and 248,725.20 is: 372,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,270.80 : 653,599.80 = 248,725.20 : x
  2. Step 2: Convert to fraction form
    436,270.80/653,599.80 = 248,725.20/x
  3. Step 3: Cross multiply
    436,270.80x = 653,599.80 × 248,725.20
  4. Step 4: Simplify right side
    436,270.80x = 162,566,740,974.96
  5. Step 5: Solve for x
    x = 162,566,740,974.96/436,270.80
  6. Step 6: Final answer
    x = 372,628.06

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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.