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Finding the Fourth Proportional to 611,815.68, 844,587.81 and 366,917.04

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Solution

The fourth proportional to 611,815.68, 844,587.81 and 366,917.04 is: 506,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,815.68 : 844,587.81 = 366,917.04 : x
  2. Step 2: Convert to fraction form
    611,815.68/844,587.81 = 366,917.04/x
  3. Step 3: Cross multiply
    611,815.68x = 844,587.81 × 366,917.04
  4. Step 4: Simplify right side
    611,815.68x = 309,893,659,265.28
  5. Step 5: Solve for x
    x = 309,893,659,265.28/611,815.68
  6. Step 6: Final answer
    x = 506,514.74

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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.