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Finding the Fourth Proportional to 613,847.27, 847,044.44 and 355,805.16

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Solution

The fourth proportional to 613,847.27, 847,044.44 and 355,805.16 is: 490,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,847.27 : 847,044.44 = 355,805.16 : x
  2. Step 2: Convert to fraction form
    613,847.27/847,044.44 = 355,805.16/x
  3. Step 3: Cross multiply
    613,847.27x = 847,044.44 × 355,805.16
  4. Step 4: Simplify right side
    613,847.27x = 301,382,786,027.08
  5. Step 5: Solve for x
    x = 301,382,786,027.08/613,847.27
  6. Step 6: Final answer
    x = 490,973.57

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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.