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Finding the Fourth Proportional to 308,018.96, 462,028.08 and 224,311.76

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Solution

The fourth proportional to 308,018.96, 462,028.08 and 224,311.76 is: 336,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,018.96 : 462,028.08 = 224,311.76 : x
  2. Step 2: Convert to fraction form
    308,018.96/462,028.08 = 224,311.76/x
  3. Step 3: Cross multiply
    308,018.96x = 462,028.08 × 224,311.76
  4. Step 4: Simplify right side
    308,018.96x = 103,638,331,794.22
  5. Step 5: Solve for x
    x = 103,638,331,794.22/308,018.96
  6. Step 6: Final answer
    x = 336,467.38

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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.