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Finding the Fourth Proportional to 451,106.32, 622,497.56 and 247,156.96

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Solution

The fourth proportional to 451,106.32, 622,497.56 and 247,156.96 is: 341,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,106.32 : 622,497.56 = 247,156.96 : x
  2. Step 2: Convert to fraction form
    451,106.32/622,497.56 = 247,156.96/x
  3. Step 3: Cross multiply
    451,106.32x = 622,497.56 × 247,156.96
  4. Step 4: Simplify right side
    451,106.32x = 153,854,604,537.02
  5. Step 5: Solve for x
    x = 153,854,604,537.02/451,106.32
  6. Step 6: Final answer
    x = 341,060.63

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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.