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Finding the Fourth Proportional to 369,672.50, 510,148.26 and 199,906.62

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Solution

The fourth proportional to 369,672.50, 510,148.26 and 199,906.62 is: 275,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,672.50 : 510,148.26 = 199,906.62 : x
  2. Step 2: Convert to fraction form
    369,672.50/510,148.26 = 199,906.62/x
  3. Step 3: Cross multiply
    369,672.50x = 510,148.26 × 199,906.62
  4. Step 4: Simplify right side
    369,672.50x = 101,982,014,355.48
  5. Step 5: Solve for x
    x = 101,982,014,355.48/369,672.50
  6. Step 6: Final answer
    x = 275,871.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.