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Finding the Fourth Proportional to 414,795.40, 622,525.40 and 190,261.72

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Solution

The fourth proportional to 414,795.40, 622,525.40 and 190,261.72 is: 285,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,795.40 : 622,525.40 = 190,261.72 : x
  2. Step 2: Convert to fraction form
    414,795.40/622,525.40 = 190,261.72/x
  3. Step 3: Cross multiply
    414,795.40x = 622,525.40 × 190,261.72
  4. Step 4: Simplify right side
    414,795.40x = 118,442,753,347.69
  5. Step 5: Solve for x
    x = 118,442,753,347.69/414,795.40
  6. Step 6: Final answer
    x = 285,545.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.