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Finding the Fourth Proportional to 451,193.92, 676,765.98 and 151,643.58

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Solution

The fourth proportional to 451,193.92, 676,765.98 and 151,643.58 is: 227,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,193.92 : 676,765.98 = 151,643.58 : x
  2. Step 2: Convert to fraction form
    451,193.92/676,765.98 = 151,643.58/x
  3. Step 3: Cross multiply
    451,193.92x = 676,765.98 × 151,643.58
  4. Step 4: Simplify right side
    451,193.92x = 102,627,216,029.41
  5. Step 5: Solve for x
    x = 102,627,216,029.41/451,193.92
  6. Step 6: Final answer
    x = 227,457.00

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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.