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Finding the Fourth Proportional to 451,038.94, 676,069.38 and 225,856.52

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Solution

The fourth proportional to 451,038.94, 676,069.38 and 225,856.52 is: 338,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,038.94 : 676,069.38 = 225,856.52 : x
  2. Step 2: Convert to fraction form
    451,038.94/676,069.38 = 225,856.52/x
  3. Step 3: Cross multiply
    451,038.94x = 676,069.38 × 225,856.52
  4. Step 4: Simplify right side
    451,038.94x = 152,694,677,445.36
  5. Step 5: Solve for x
    x = 152,694,677,445.36/451,038.94
  6. Step 6: Final answer
    x = 338,539.90

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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.