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Finding the Fourth Proportional to 995,801.70, 1,491,920.55 and 605,597.70

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Solution

The fourth proportional to 995,801.70, 1,491,920.55 and 605,597.70 is: 907,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,801.70 : 1,491,920.55 = 605,597.70 : x
  2. Step 2: Convert to fraction form
    995,801.70/1,491,920.55 = 605,597.70/x
  3. Step 3: Cross multiply
    995,801.70x = 1,491,920.55 × 605,597.70
  4. Step 4: Simplify right side
    995,801.70x = 903,503,653,662.74
  5. Step 5: Solve for x
    x = 903,503,653,662.74/995,801.70
  6. Step 6: Final answer
    x = 907,312.83

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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.