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Finding the Fourth Proportional to 451,230.34, 622,698.60 and 247,248.86

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Solution

The fourth proportional to 451,230.34, 622,698.60 and 247,248.86 is: 341,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,230.34 : 622,698.60 = 247,248.86 : x
  2. Step 2: Convert to fraction form
    451,230.34/622,698.60 = 247,248.86/x
  3. Step 3: Cross multiply
    451,230.34x = 622,698.60 × 247,248.86
  4. Step 4: Simplify right side
    451,230.34x = 153,961,518,973.60
  5. Step 5: Solve for x
    x = 153,961,518,973.60/451,230.34
  6. Step 6: Final answer
    x = 341,203.83

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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.