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Finding the Fourth Proportional to 291,853, 437,213.04 and 191,709.33

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Solution

The fourth proportional to 291,853, 437,213.04 and 191,709.33 is: 287,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,853 : 437,213.04 = 191,709.33 : x
  2. Step 2: Convert to fraction form
    291,853/437,213.04 = 191,709.33/x
  3. Step 3: Cross multiply
    291,853x = 437,213.04 × 191,709.33
  4. Step 4: Simplify right side
    291,853x = 83,817,818,965.66
  5. Step 5: Solve for x
    x = 83,817,818,965.66/291,853
  6. Step 6: Final answer
    x = 287,191.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.