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Finding the Fourth Proportional to 397,392.84, 596,089.59 and 97,879.56

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Solution

The fourth proportional to 397,392.84, 596,089.59 and 97,879.56 is: 146,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,392.84 : 596,089.59 = 97,879.56 : x
  2. Step 2: Convert to fraction form
    397,392.84/596,089.59 = 97,879.56/x
  3. Step 3: Cross multiply
    397,392.84x = 596,089.59 × 97,879.56
  4. Step 4: Simplify right side
    397,392.84x = 58,344,986,789.78
  5. Step 5: Solve for x
    x = 58,344,986,789.78/397,392.84
  6. Step 6: Final answer
    x = 146,819.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.