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Finding the Fourth Proportional to 447,424.25, 617,445.57 and 246,220.25

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Solution

The fourth proportional to 447,424.25, 617,445.57 and 246,220.25 is: 339,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,424.25 : 617,445.57 = 246,220.25 : x
  2. Step 2: Convert to fraction form
    447,424.25/617,445.57 = 246,220.25/x
  3. Step 3: Cross multiply
    447,424.25x = 617,445.57 × 246,220.25
  4. Step 4: Simplify right side
    447,424.25x = 152,027,601,375.69
  5. Step 5: Solve for x
    x = 152,027,601,375.69/447,424.25
  6. Step 6: Final answer
    x = 339,784.00

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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.