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Finding the Fourth Proportional to 406,719.69, 610,159.34 and 150,554.49

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Solution

The fourth proportional to 406,719.69, 610,159.34 and 150,554.49 is: 225,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,719.69 : 610,159.34 = 150,554.49 : x
  2. Step 2: Convert to fraction form
    406,719.69/610,159.34 = 150,554.49/x
  3. Step 3: Cross multiply
    406,719.69x = 610,159.34 × 150,554.49
  4. Step 4: Simplify right side
    406,719.69x = 91,862,227,499.66
  5. Step 5: Solve for x
    x = 91,862,227,499.66/406,719.69
  6. Step 6: Final answer
    x = 225,861.27

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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.