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Finding the Fourth Proportional to 406,561.58, 561,054.44 and 225,285.26

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Solution

The fourth proportional to 406,561.58, 561,054.44 and 225,285.26 is: 310,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,561.58 : 561,054.44 = 225,285.26 : x
  2. Step 2: Convert to fraction form
    406,561.58/561,054.44 = 225,285.26/x
  3. Step 3: Cross multiply
    406,561.58x = 561,054.44 × 225,285.26
  4. Step 4: Simplify right side
    406,561.58x = 126,397,291,880.27
  5. Step 5: Solve for x
    x = 126,397,291,880.27/406,561.58
  6. Step 6: Final answer
    x = 310,893.35

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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.