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Finding the Fourth Proportional to 474,522.25, 654,846.78 and 273,318.25

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Solution

The fourth proportional to 474,522.25, 654,846.78 and 273,318.25 is: 377,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,522.25 : 654,846.78 = 273,318.25 : x
  2. Step 2: Convert to fraction form
    474,522.25/654,846.78 = 273,318.25/x
  3. Step 3: Cross multiply
    474,522.25x = 654,846.78 × 273,318.25
  4. Step 4: Simplify right side
    474,522.25x = 178,981,575,927.74
  5. Step 5: Solve for x
    x = 178,981,575,927.74/474,522.25
  6. Step 6: Final answer
    x = 377,182.68

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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.