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Finding the Fourth Proportional to 617,074.56, 925,378.24 and 336,439.04

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Solution

The fourth proportional to 617,074.56, 925,378.24 and 336,439.04 is: 504,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,074.56 : 925,378.24 = 336,439.04 : x
  2. Step 2: Convert to fraction form
    617,074.56/925,378.24 = 336,439.04/x
  3. Step 3: Cross multiply
    617,074.56x = 925,378.24 × 336,439.04
  4. Step 4: Simplify right side
    617,074.56x = 311,333,366,702.49
  5. Step 5: Solve for x
    x = 311,333,366,702.49/617,074.56
  6. Step 6: Final answer
    x = 504,531.20

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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.