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Finding the Fourth Proportional to 395,108.70, 590,913.45 and 332,123.10

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Solution

The fourth proportional to 395,108.70, 590,913.45 and 332,123.10 is: 496,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,108.70 : 590,913.45 = 332,123.10 : x
  2. Step 2: Convert to fraction form
    395,108.70/590,913.45 = 332,123.10/x
  3. Step 3: Cross multiply
    395,108.70x = 590,913.45 × 332,123.10
  4. Step 4: Simplify right side
    395,108.70x = 196,256,006,845.70
  5. Step 5: Solve for x
    x = 196,256,006,845.70/395,108.70
  6. Step 6: Final answer
    x = 496,713.96

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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.