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Finding the Fourth Proportional to 406,974.92, 561,660.90 and 237,205.40

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Solution

The fourth proportional to 406,974.92, 561,660.90 and 237,205.40 is: 327,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,974.92 : 561,660.90 = 237,205.40 : x
  2. Step 2: Convert to fraction form
    406,974.92/561,660.90 = 237,205.40/x
  3. Step 3: Cross multiply
    406,974.92x = 561,660.90 × 237,205.40
  4. Step 4: Simplify right side
    406,974.92x = 133,228,998,448.86
  5. Step 5: Solve for x
    x = 133,228,998,448.86/406,974.92
  6. Step 6: Final answer
    x = 327,364.15

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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.