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Finding the Fourth Proportional to 477,908.64, 659,508.66 and 263,044.08

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Solution

The fourth proportional to 477,908.64, 659,508.66 and 263,044.08 is: 362,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,908.64 : 659,508.66 = 263,044.08 : x
  2. Step 2: Convert to fraction form
    477,908.64/659,508.66 = 263,044.08/x
  3. Step 3: Cross multiply
    477,908.64x = 659,508.66 × 263,044.08
  4. Step 4: Simplify right side
    477,908.64x = 173,479,848,721.73
  5. Step 5: Solve for x
    x = 173,479,848,721.73/477,908.64
  6. Step 6: Final answer
    x = 362,997.93

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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.