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Finding the Fourth Proportional to 215,772.55, 297,893.69 and 191,832.98

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Solution

The fourth proportional to 215,772.55, 297,893.69 and 191,832.98 is: 264,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,772.55 : 297,893.69 = 191,832.98 : x
  2. Step 2: Convert to fraction form
    215,772.55/297,893.69 = 191,832.98/x
  3. Step 3: Cross multiply
    215,772.55x = 297,893.69 × 191,832.98
  4. Step 4: Simplify right side
    215,772.55x = 57,145,834,275.90
  5. Step 5: Solve for x
    x = 57,145,834,275.90/215,772.55
  6. Step 6: Final answer
    x = 264,842.93

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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.