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Finding the Fourth Proportional to 676,671.22, 933,805.83 and 370,767.43

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Solution

The fourth proportional to 676,671.22, 933,805.83 and 370,767.43 is: 511,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,671.22 : 933,805.83 = 370,767.43 : x
  2. Step 2: Convert to fraction form
    676,671.22/933,805.83 = 370,767.43/x
  3. Step 3: Cross multiply
    676,671.22x = 933,805.83 × 370,767.43
  4. Step 4: Simplify right side
    676,671.22x = 346,224,787,708.12
  5. Step 5: Solve for x
    x = 346,224,787,708.12/676,671.22
  6. Step 6: Final answer
    x = 511,658.80

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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.