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Finding the Fourth Proportional to 423,660.75, 584,649.57 and 230,066.79

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Solution

The fourth proportional to 423,660.75, 584,649.57 and 230,066.79 is: 317,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,660.75 : 584,649.57 = 230,066.79 : x
  2. Step 2: Convert to fraction form
    423,660.75/584,649.57 = 230,066.79/x
  3. Step 3: Cross multiply
    423,660.75x = 584,649.57 × 230,066.79
  4. Step 4: Simplify right side
    423,660.75x = 134,508,449,844.78
  5. Step 5: Solve for x
    x = 134,508,449,844.78/423,660.75
  6. Step 6: Final answer
    x = 317,490.94

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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.