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Finding the Fourth Proportional to 617,039.56, 925,325.74 and 336,404.04

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Solution

The fourth proportional to 617,039.56, 925,325.74 and 336,404.04 is: 504,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,039.56 : 925,325.74 = 336,404.04 : x
  2. Step 2: Convert to fraction form
    617,039.56/925,325.74 = 336,404.04/x
  3. Step 3: Cross multiply
    617,039.56x = 925,325.74 × 336,404.04
  4. Step 4: Simplify right side
    617,039.56x = 311,283,317,251.99
  5. Step 5: Solve for x
    x = 311,283,317,251.99/617,039.56
  6. Step 6: Final answer
    x = 504,478.70

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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.