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Finding the Fourth Proportional to 202,448.70, 303,673.05 and 191,562.30

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Solution

The fourth proportional to 202,448.70, 303,673.05 and 191,562.30 is: 287,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,448.70 : 303,673.05 = 191,562.30 : x
  2. Step 2: Convert to fraction form
    202,448.70/303,673.05 = 191,562.30/x
  3. Step 3: Cross multiply
    202,448.70x = 303,673.05 × 191,562.30
  4. Step 4: Simplify right side
    202,448.70x = 58,172,307,906.02
  5. Step 5: Solve for x
    x = 58,172,307,906.02/202,448.70
  6. Step 6: Final answer
    x = 287,343.45

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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.