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Finding the Fourth Proportional to 436,799.66, 655,174.83 and 193,570.68

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Solution

The fourth proportional to 436,799.66, 655,174.83 and 193,570.68 is: 290,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,799.66 : 655,174.83 = 193,570.68 : x
  2. Step 2: Convert to fraction form
    436,799.66/655,174.83 = 193,570.68/x
  3. Step 3: Cross multiply
    436,799.66x = 655,174.83 × 193,570.68
  4. Step 4: Simplify right side
    436,799.66x = 126,822,637,361.98
  5. Step 5: Solve for x
    x = 126,822,637,361.98/436,799.66
  6. Step 6: Final answer
    x = 290,345.10

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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.