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Finding the Fourth Proportional to 494,296.79, 740,936.09 and 194,655.92

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Solution

The fourth proportional to 494,296.79, 740,936.09 and 194,655.92 is: 291,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,296.79 : 740,936.09 = 194,655.92 : x
  2. Step 2: Convert to fraction form
    494,296.79/740,936.09 = 194,655.92/x
  3. Step 3: Cross multiply
    494,296.79x = 740,936.09 × 194,655.92
  4. Step 4: Simplify right side
    494,296.79x = 144,227,592,555.47
  5. Step 5: Solve for x
    x = 144,227,592,555.47/494,296.79
  6. Step 6: Final answer
    x = 291,783.39

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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.