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Finding the Fourth Proportional to 418,245.53, 577,180.89 and 246,169.94

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Solution

The fourth proportional to 418,245.53, 577,180.89 and 246,169.94 is: 339,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,245.53 : 577,180.89 = 246,169.94 : x
  2. Step 2: Convert to fraction form
    418,245.53/577,180.89 = 246,169.94/x
  3. Step 3: Cross multiply
    418,245.53x = 577,180.89 × 246,169.94
  4. Step 4: Simplify right side
    418,245.53x = 142,084,582,174.54
  5. Step 5: Solve for x
    x = 142,084,582,174.54/418,245.53
  6. Step 6: Final answer
    x = 339,715.73

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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.