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Finding the Fourth Proportional to 369,685.56, 510,163.50 and 199,917.24

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Solution

The fourth proportional to 369,685.56, 510,163.50 and 199,917.24 is: 275,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,685.56 : 510,163.50 = 199,917.24 : x
  2. Step 2: Convert to fraction form
    369,685.56/510,163.50 = 199,917.24/x
  3. Step 3: Cross multiply
    369,685.56x = 510,163.50 × 199,917.24
  4. Step 4: Simplify right side
    369,685.56x = 101,990,478,868.74
  5. Step 5: Solve for x
    x = 101,990,478,868.74/369,685.56
  6. Step 6: Final answer
    x = 275,884.40

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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.