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Finding the Fourth Proportional to 406,398.67, 560,805.49 and 225,100.01

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Solution

The fourth proportional to 406,398.67, 560,805.49 and 225,100.01 is: 310,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,398.67 : 560,805.49 = 225,100.01 : x
  2. Step 2: Convert to fraction form
    406,398.67/560,805.49 = 225,100.01/x
  3. Step 3: Cross multiply
    406,398.67x = 560,805.49 × 225,100.01
  4. Step 4: Simplify right side
    406,398.67x = 126,237,323,090.44
  5. Step 5: Solve for x
    x = 126,237,323,090.44/406,398.67
  6. Step 6: Final answer
    x = 310,624.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.