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Finding the Fourth Proportional to 406,443.51, 560,891.97 and 225,167.22

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Solution

The fourth proportional to 406,443.51, 560,891.97 and 225,167.22 is: 310,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,443.51 : 560,891.97 = 225,167.22 : x
  2. Step 2: Convert to fraction form
    406,443.51/560,891.97 = 225,167.22/x
  3. Step 3: Cross multiply
    406,443.51x = 560,891.97 × 225,167.22
  4. Step 4: Simplify right side
    406,443.51x = 126,294,485,605.22
  5. Step 5: Solve for x
    x = 126,294,485,605.22/406,443.51
  6. Step 6: Final answer
    x = 310,730.72

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1.5x scale

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.