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Finding the Fourth Proportional to 332,788, 459,086.88 and 218,016.76

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Solution

The fourth proportional to 332,788, 459,086.88 and 218,016.76 is: 300,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,788 : 459,086.88 = 218,016.76 : x
  2. Step 2: Convert to fraction form
    332,788/459,086.88 = 218,016.76/x
  3. Step 3: Cross multiply
    332,788x = 459,086.88 × 218,016.76
  4. Step 4: Simplify right side
    332,788x = 100,088,634,136.11
  5. Step 5: Solve for x
    x = 100,088,634,136.11/332,788
  6. Step 6: Final answer
    x = 300,757.94

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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.