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Finding the Fourth Proportional to 944,692.94, 1,416,893.31 and 345,513.97

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Solution

The fourth proportional to 944,692.94, 1,416,893.31 and 345,513.97 is: 518,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,692.94 : 1,416,893.31 = 345,513.97 : x
  2. Step 2: Convert to fraction form
    944,692.94/1,416,893.31 = 345,513.97/x
  3. Step 3: Cross multiply
    944,692.94x = 1,416,893.31 × 345,513.97
  4. Step 4: Simplify right side
    944,692.94x = 489,556,434,375.66
  5. Step 5: Solve for x
    x = 489,556,434,375.66/944,692.94
  6. Step 6: Final answer
    x = 518,217.52

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1.5x scale

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.