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Finding the Fourth Proportional to 215,753.07, 297,866.97 and 191,813.62

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Solution

The fourth proportional to 215,753.07, 297,866.97 and 191,813.62 is: 264,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,753.07 : 297,866.97 = 191,813.62 : x
  2. Step 2: Convert to fraction form
    215,753.07/297,866.97 = 191,813.62/x
  3. Step 3: Cross multiply
    215,753.07x = 297,866.97 × 191,813.62
  4. Step 4: Simplify right side
    215,753.07x = 57,134,942,445.72
  5. Step 5: Solve for x
    x = 57,134,942,445.72/215,753.07
  6. Step 6: Final answer
    x = 264,816.36

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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.