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Finding the Fourth Proportional to 801,690.32, 1,202,533.32 and 328,376

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Solution

The fourth proportional to 801,690.32, 1,202,533.32 and 328,376 is: 492,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,690.32 : 1,202,533.32 = 328,376 : x
  2. Step 2: Convert to fraction form
    801,690.32/1,202,533.32 = 328,376/x
  3. Step 3: Cross multiply
    801,690.32x = 1,202,533.32 × 328,376
  4. Step 4: Simplify right side
    801,690.32x = 394,883,081,488.32
  5. Step 5: Solve for x
    x = 394,883,081,488.32/801,690.32
  6. Step 6: Final answer
    x = 492,563.12

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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.