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Finding the Fourth Proportional to 322,438.92, 483,595.32 and 306,436.02

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Solution

The fourth proportional to 322,438.92, 483,595.32 and 306,436.02 is: 459,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,438.92 : 483,595.32 = 306,436.02 : x
  2. Step 2: Convert to fraction form
    322,438.92/483,595.32 = 306,436.02/x
  3. Step 3: Cross multiply
    322,438.92x = 483,595.32 × 306,436.02
  4. Step 4: Simplify right side
    322,438.92x = 148,191,025,151.43
  5. Step 5: Solve for x
    x = 148,191,025,151.43/322,438.92
  6. Step 6: Final answer
    x = 459,594.10

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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.