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Finding the Fourth Proportional to 450,525.28, 675,787.38 and 207,341.86

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Solution

The fourth proportional to 450,525.28, 675,787.38 and 207,341.86 is: 311,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,525.28 : 675,787.38 = 207,341.86 : x
  2. Step 2: Convert to fraction form
    450,525.28/675,787.38 = 207,341.86/x
  3. Step 3: Cross multiply
    450,525.28x = 675,787.38 × 207,341.86
  4. Step 4: Simplify right side
    450,525.28x = 140,119,012,333.73
  5. Step 5: Solve for x
    x = 140,119,012,333.73/450,525.28
  6. Step 6: Final answer
    x = 311,012.54

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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.