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Finding the Fourth Proportional to 406,602.27, 561,114.44 and 225,317.23

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Solution

The fourth proportional to 406,602.27, 561,114.44 and 225,317.23 is: 310,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,602.27 : 561,114.44 = 225,317.23 : x
  2. Step 2: Convert to fraction form
    406,602.27/561,114.44 = 225,317.23/x
  3. Step 3: Cross multiply
    406,602.27x = 561,114.44 × 225,317.23
  4. Step 4: Simplify right side
    406,602.27x = 126,428,751,333.80
  5. Step 5: Solve for x
    x = 126,428,751,333.80/406,602.27
  6. Step 6: Final answer
    x = 310,939.61

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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.