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Finding the Fourth Proportional to 519,732.45, 779,015.48 and 295,200.45

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Solution

The fourth proportional to 519,732.45, 779,015.48 and 295,200.45 is: 442,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,732.45 : 779,015.48 = 295,200.45 : x
  2. Step 2: Convert to fraction form
    519,732.45/779,015.48 = 295,200.45/x
  3. Step 3: Cross multiply
    519,732.45x = 779,015.48 × 295,200.45
  4. Step 4: Simplify right side
    519,732.45x = 229,965,718,776.96
  5. Step 5: Solve for x
    x = 229,965,718,776.96/519,732.45
  6. Step 6: Final answer
    x = 442,469.43

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1.5x scale

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.