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Finding the Fourth Proportional to 616,926.60, 926,772.30 and 591,736.20

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Solution

The fourth proportional to 616,926.60, 926,772.30 and 591,736.20 is: 888,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,926.60 : 926,772.30 = 591,736.20 : x
  2. Step 2: Convert to fraction form
    616,926.60/926,772.30 = 591,736.20/x
  3. Step 3: Cross multiply
    616,926.60x = 926,772.30 × 591,736.20
  4. Step 4: Simplify right side
    616,926.60x = 548,404,719,067.26
  5. Step 5: Solve for x
    x = 548,404,719,067.26/616,926.60
  6. Step 6: Final answer
    x = 888,930.25

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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.