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Finding the Fourth Proportional to 356,426.70, 534,640.05 and 332,807.10

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Solution

The fourth proportional to 356,426.70, 534,640.05 and 332,807.10 is: 499,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,426.70 : 534,640.05 = 332,807.10 : x
  2. Step 2: Convert to fraction form
    356,426.70/534,640.05 = 332,807.10/x
  3. Step 3: Cross multiply
    356,426.70x = 534,640.05 × 332,807.10
  4. Step 4: Simplify right side
    356,426.70x = 177,932,004,584.36
  5. Step 5: Solve for x
    x = 177,932,004,584.36/356,426.70
  6. Step 6: Final answer
    x = 499,210.65

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Similar ratio
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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.