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Finding the Fourth Proportional to 613,843.72, 847,050.42 and 341,891.08

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Solution

The fourth proportional to 613,843.72, 847,050.42 and 341,891.08 is: 471,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,843.72 : 847,050.42 = 341,891.08 : x
  2. Step 2: Convert to fraction form
    613,843.72/847,050.42 = 341,891.08/x
  3. Step 3: Cross multiply
    613,843.72x = 847,050.42 × 341,891.08
  4. Step 4: Simplify right side
    613,843.72x = 289,598,982,908.25
  5. Step 5: Solve for x
    x = 289,598,982,908.25/613,843.72
  6. Step 6: Final answer
    x = 471,779.66

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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.