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Finding the Fourth Proportional to 606,988.69, 910,396.63 and 247,316.42

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Solution

The fourth proportional to 606,988.69, 910,396.63 and 247,316.42 is: 370,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,988.69 : 910,396.63 = 247,316.42 : x
  2. Step 2: Convert to fraction form
    606,988.69/910,396.63 = 247,316.42/x
  3. Step 3: Cross multiply
    606,988.69x = 910,396.63 × 247,316.42
  4. Step 4: Simplify right side
    606,988.69x = 225,156,037,896.80
  5. Step 5: Solve for x
    x = 225,156,037,896.80/606,988.69
  6. Step 6: Final answer
    x = 370,939.43

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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.