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Finding the Fourth Proportional to 442,726.96, 664,090.44 and 244,308.48

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Solution

The fourth proportional to 442,726.96, 664,090.44 and 244,308.48 is: 366,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,726.96 : 664,090.44 = 244,308.48 : x
  2. Step 2: Convert to fraction form
    442,726.96/664,090.44 = 244,308.48/x
  3. Step 3: Cross multiply
    442,726.96x = 664,090.44 × 244,308.48
  4. Step 4: Simplify right side
    442,726.96x = 162,242,925,978.93
  5. Step 5: Solve for x
    x = 162,242,925,978.93/442,726.96
  6. Step 6: Final answer
    x = 366,462.72

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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.