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Finding the Fourth Proportional to 327,769,509.60, 491,654,264.40 and 224,457,379.20

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Solution

The fourth proportional to 327,769,509.60, 491,654,264.40 and 224,457,379.20 is: 336,686,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,769,509.60 : 491,654,264.40 = 224,457,379.20 : x
  2. Step 2: Convert to fraction form
    327,769,509.60/491,654,264.40 = 224,457,379.20/x
  3. Step 3: Cross multiply
    327,769,509.60x = 491,654,264.40 × 224,457,379.20
  4. Step 4: Simplify right side
    327,769,509.60x = 110,355,427,659,727,856
  5. Step 5: Solve for x
    x = 110,355,427,659,727,856/327,769,509.60
  6. Step 6: Final answer
    x = 336,686,068.80

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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.