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Finding the Fourth Proportional to 215,774.55, 297,896.45 and 191,834.98

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Solution

The fourth proportional to 215,774.55, 297,896.45 and 191,834.98 is: 264,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,774.55 : 297,896.45 = 191,834.98 : x
  2. Step 2: Convert to fraction form
    215,774.55/297,896.45 = 191,834.98/x
  3. Step 3: Cross multiply
    215,774.55x = 297,896.45 × 191,834.98
  4. Step 4: Simplify right side
    215,774.55x = 57,146,959,527.82
  5. Step 5: Solve for x
    x = 57,146,959,527.82/215,774.55
  6. Step 6: Final answer
    x = 264,845.69

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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.