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Finding the Fourth Proportional to 416,564.58, 574,858.98 and 225,577.92

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Solution

The fourth proportional to 416,564.58, 574,858.98 and 225,577.92 is: 311,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,564.58 : 574,858.98 = 225,577.92 : x
  2. Step 2: Convert to fraction form
    416,564.58/574,858.98 = 225,577.92/x
  3. Step 3: Cross multiply
    416,564.58x = 574,858.98 × 225,577.92
  4. Step 4: Simplify right side
    416,564.58x = 129,675,493,001.72
  5. Step 5: Solve for x
    x = 129,675,493,001.72/416,564.58
  6. Step 6: Final answer
    x = 311,297.45

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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.