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Finding the Fourth Proportional to 270,666.69, 406,041.03 and 196,347.65

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Solution

The fourth proportional to 270,666.69, 406,041.03 and 196,347.65 is: 294,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,666.69 : 406,041.03 = 196,347.65 : x
  2. Step 2: Convert to fraction form
    270,666.69/406,041.03 = 196,347.65/x
  3. Step 3: Cross multiply
    270,666.69x = 406,041.03 × 196,347.65
  4. Step 4: Simplify right side
    270,666.69x = 79,725,202,044.08
  5. Step 5: Solve for x
    x = 79,725,202,044.08/270,666.69
  6. Step 6: Final answer
    x = 294,551.21

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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.