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Finding the Fourth Proportional to 202,452.70, 303,679.05 and 191,566.30

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Solution

The fourth proportional to 202,452.70, 303,679.05 and 191,566.30 is: 287,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,452.70 : 303,679.05 = 191,566.30 : x
  2. Step 2: Convert to fraction form
    202,452.70/303,679.05 = 191,566.30/x
  3. Step 3: Cross multiply
    202,452.70x = 303,679.05 × 191,566.30
  4. Step 4: Simplify right side
    202,452.70x = 58,174,671,996.02
  5. Step 5: Solve for x
    x = 58,174,671,996.02/202,452.70
  6. Step 6: Final answer
    x = 287,349.45

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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.