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Finding the Fourth Proportional to 533,789.42, 800,649.57 and 201,356.78

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Solution

The fourth proportional to 533,789.42, 800,649.57 and 201,356.78 is: 302,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,789.42 : 800,649.57 = 201,356.78 : x
  2. Step 2: Convert to fraction form
    533,789.42/800,649.57 = 201,356.78/x
  3. Step 3: Cross multiply
    533,789.42x = 800,649.57 × 201,356.78
  4. Step 4: Simplify right side
    533,789.42x = 161,216,219,323.59
  5. Step 5: Solve for x
    x = 161,216,219,323.59/533,789.42
  6. Step 6: Final answer
    x = 302,022.13

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1.5x scale

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.