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Finding the Fourth Proportional to 675,026.80, 1,012,540.20 and 607,375.60

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Solution

The fourth proportional to 675,026.80, 1,012,540.20 and 607,375.60 is: 911,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,026.80 : 1,012,540.20 = 607,375.60 : x
  2. Step 2: Convert to fraction form
    675,026.80/1,012,540.20 = 607,375.60/x
  3. Step 3: Cross multiply
    675,026.80x = 1,012,540.20 × 607,375.60
  4. Step 4: Simplify right side
    675,026.80x = 614,992,211,499.12
  5. Step 5: Solve for x
    x = 614,992,211,499.12/675,026.80
  6. Step 6: Final answer
    x = 911,063.40

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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.