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Finding the Fourth Proportional to 320,008.88, 441,593.95 and 191,092.82

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Solution

The fourth proportional to 320,008.88, 441,593.95 and 191,092.82 is: 263,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,008.88 : 441,593.95 = 191,092.82 : x
  2. Step 2: Convert to fraction form
    320,008.88/441,593.95 = 191,092.82/x
  3. Step 3: Cross multiply
    320,008.88x = 441,593.95 × 191,092.82
  4. Step 4: Simplify right side
    320,008.88x = 84,385,433,894.45
  5. Step 5: Solve for x
    x = 84,385,433,894.45/320,008.88
  6. Step 6: Final answer
    x = 263,697.17

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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.