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Finding the Fourth Proportional to 617,440.74, 926,370.90 and 333,158.28

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Solution

The fourth proportional to 617,440.74, 926,370.90 and 333,158.28 is: 499,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,440.74 : 926,370.90 = 333,158.28 : x
  2. Step 2: Convert to fraction form
    617,440.74/926,370.90 = 333,158.28/x
  3. Step 3: Cross multiply
    617,440.74x = 926,370.90 × 333,158.28
  4. Step 4: Simplify right side
    617,440.74x = 308,628,135,686.05
  5. Step 5: Solve for x
    x = 308,628,135,686.05/617,440.74
  6. Step 6: Final answer
    x = 499,850.62

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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.