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Finding the Fourth Proportional to 309,872.46, 464,802.48 and 203,925.63

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Solution

The fourth proportional to 309,872.46, 464,802.48 and 203,925.63 is: 305,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,872.46 : 464,802.48 = 203,925.63 : x
  2. Step 2: Convert to fraction form
    309,872.46/464,802.48 = 203,925.63/x
  3. Step 3: Cross multiply
    309,872.46x = 464,802.48 × 203,925.63
  4. Step 4: Simplify right side
    309,872.46x = 94,785,138,559.56
  5. Step 5: Solve for x
    x = 94,785,138,559.56/309,872.46
  6. Step 6: Final answer
    x = 305,884.36

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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.