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Finding the Fourth Proportional to 215,771.88, 297,892.77 and 191,832.30

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Solution

The fourth proportional to 215,771.88, 297,892.77 and 191,832.30 is: 264,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,771.88 : 297,892.77 = 191,832.30 : x
  2. Step 2: Convert to fraction form
    215,771.88/297,892.77 = 191,832.30/x
  3. Step 3: Cross multiply
    215,771.88x = 297,892.77 × 191,832.30
  4. Step 4: Simplify right side
    215,771.88x = 57,145,455,582.16
  5. Step 5: Solve for x
    x = 57,145,455,582.16/215,771.88
  6. Step 6: Final answer
    x = 264,841.99

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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.