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Finding the Fourth Proportional to 606,989.69, 910,398.13 and 247,317.42

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Solution

The fourth proportional to 606,989.69, 910,398.13 and 247,317.42 is: 370,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.69 : 910,398.13 = 247,317.42 : x
  2. Step 2: Convert to fraction form
    606,989.69/910,398.13 = 247,317.42/x
  3. Step 3: Cross multiply
    606,989.69x = 910,398.13 × 247,317.42
  4. Step 4: Simplify right side
    606,989.69x = 225,157,316,684.43
  5. Step 5: Solve for x
    x = 225,157,316,684.43/606,989.69
  6. Step 6: Final answer
    x = 370,940.92

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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.