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Finding the Fourth Proportional to 361,645.95, 499,100.99 and 200,551.53

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Solution

The fourth proportional to 361,645.95, 499,100.99 and 200,551.53 is: 276,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,645.95 : 499,100.99 = 200,551.53 : x
  2. Step 2: Convert to fraction form
    361,645.95/499,100.99 = 200,551.53/x
  3. Step 3: Cross multiply
    361,645.95x = 499,100.99 × 200,551.53
  4. Step 4: Simplify right side
    361,645.95x = 100,095,466,166.26
  5. Step 5: Solve for x
    x = 100,095,466,166.26/361,645.95
  6. Step 6: Final answer
    x = 276,777.51

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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.