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Finding the Fourth Proportional to 417,244.86, 625,983.93 and 136,958.94

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Solution

The fourth proportional to 417,244.86, 625,983.93 and 136,958.94 is: 205,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,244.86 : 625,983.93 = 136,958.94 : x
  2. Step 2: Convert to fraction form
    417,244.86/625,983.93 = 136,958.94/x
  3. Step 3: Cross multiply
    417,244.86x = 625,983.93 × 136,958.94
  4. Step 4: Simplify right side
    417,244.86x = 85,734,095,509.83
  5. Step 5: Solve for x
    x = 85,734,095,509.83/417,244.86
  6. Step 6: Final answer
    x = 205,476.70

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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.