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Finding the Fourth Proportional to 447,400.48, 617,400.48 and 246,196.48

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Solution

The fourth proportional to 447,400.48, 617,400.48 and 246,196.48 is: 339,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,400.48 : 617,400.48 = 246,196.48 : x
  2. Step 2: Convert to fraction form
    447,400.48/617,400.48 = 246,196.48/x
  3. Step 3: Cross multiply
    447,400.48x = 617,400.48 × 246,196.48
  4. Step 4: Simplify right side
    447,400.48x = 152,001,824,926.31
  5. Step 5: Solve for x
    x = 152,001,824,926.31/447,400.48
  6. Step 6: Final answer
    x = 339,744.44

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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.