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Finding the Fourth Proportional to 406,064.52, 560,370.32 and 219,795.96

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Solution

The fourth proportional to 406,064.52, 560,370.32 and 219,795.96 is: 303,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,064.52 : 560,370.32 = 219,795.96 : x
  2. Step 2: Convert to fraction form
    406,064.52/560,370.32 = 219,795.96/x
  3. Step 3: Cross multiply
    406,064.52x = 560,370.32 × 219,795.96
  4. Step 4: Simplify right side
    406,064.52x = 123,167,132,439.91
  5. Step 5: Solve for x
    x = 123,167,132,439.91/406,064.52
  6. Step 6: Final answer
    x = 303,319.12

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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.