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Finding the Fourth Proportional to 617,366,674.60, 851,934,723.78 and 366,481,790.44

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Solution

The fourth proportional to 617,366,674.60, 851,934,723.78 and 366,481,790.44 is: 505,726,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,366,674.60 : 851,934,723.78 = 366,481,790.44 : x
  2. Step 2: Convert to fraction form
    617,366,674.60/851,934,723.78 = 366,481,790.44/x
  3. Step 3: Cross multiply
    617,366,674.60x = 851,934,723.78 × 366,481,790.44
  4. Step 4: Simplify right side
    617,366,674.60x = 312,218,562,908,901,248
  5. Step 5: Solve for x
    x = 312,218,562,908,901,248/617,366,674.60
  6. Step 6: Final answer
    x = 505,726,298.09

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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.