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Finding the Fourth Proportional to 469,274.87, 647,590.87 and 265,322.27

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Solution

The fourth proportional to 469,274.87, 647,590.87 and 265,322.27 is: 366,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,274.87 : 647,590.87 = 265,322.27 : x
  2. Step 2: Convert to fraction form
    469,274.87/647,590.87 = 265,322.27/x
  3. Step 3: Cross multiply
    469,274.87x = 647,590.87 × 265,322.27
  4. Step 4: Simplify right side
    469,274.87x = 171,820,279,659.68
  5. Step 5: Solve for x
    x = 171,820,279,659.68/469,274.87
  6. Step 6: Final answer
    x = 366,139.95

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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.