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Finding the Fourth Proportional to 336,672.08, 505,066.44 and 149,698.16

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Solution

The fourth proportional to 336,672.08, 505,066.44 and 149,698.16 is: 224,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,672.08 : 505,066.44 = 149,698.16 : x
  2. Step 2: Convert to fraction form
    336,672.08/505,066.44 = 149,698.16/x
  3. Step 3: Cross multiply
    336,672.08x = 505,066.44 × 149,698.16
  4. Step 4: Simplify right side
    336,672.08x = 75,607,516,745.75
  5. Step 5: Solve for x
    x = 75,607,516,745.75/336,672.08
  6. Step 6: Final answer
    x = 224,573.17

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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.