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Finding the Fourth Proportional to 371,099.68, 512,112.96 and 201,332.56

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Solution

The fourth proportional to 371,099.68, 512,112.96 and 201,332.56 is: 277,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,099.68 : 512,112.96 = 201,332.56 : x
  2. Step 2: Convert to fraction form
    371,099.68/512,112.96 = 201,332.56/x
  3. Step 3: Cross multiply
    371,099.68x = 512,112.96 × 201,332.56
  4. Step 4: Simplify right side
    371,099.68x = 103,105,013,245.98
  5. Step 5: Solve for x
    x = 103,105,013,245.98/371,099.68
  6. Step 6: Final answer
    x = 277,836.44

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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.