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Finding the Fourth Proportional to 606,683.25, 910,131.66 and 207,230.40

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Solution

The fourth proportional to 606,683.25, 910,131.66 and 207,230.40 is: 310,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,683.25 : 910,131.66 = 207,230.40 : x
  2. Step 2: Convert to fraction form
    606,683.25/910,131.66 = 207,230.40/x
  3. Step 3: Cross multiply
    606,683.25x = 910,131.66 × 207,230.40
  4. Step 4: Simplify right side
    606,683.25x = 188,606,947,954.46
  5. Step 5: Solve for x
    x = 188,606,947,954.46/606,683.25
  6. Step 6: Final answer
    x = 310,882.08

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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.