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Finding the Fourth Proportional to 603,520.45, 832,511.85 and 376,772.29

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Solution

The fourth proportional to 603,520.45, 832,511.85 and 376,772.29 is: 519,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,520.45 : 832,511.85 = 376,772.29 : x
  2. Step 2: Convert to fraction form
    603,520.45/832,511.85 = 376,772.29/x
  3. Step 3: Cross multiply
    603,520.45x = 832,511.85 × 376,772.29
  4. Step 4: Simplify right side
    603,520.45x = 313,667,396,176.64
  5. Step 5: Solve for x
    x = 313,667,396,176.64/603,520.45
  6. Step 6: Final answer
    x = 519,729.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.