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Finding the Fourth Proportional to 647,029.58, 970,544.36 and 647,029.58

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Solution

The fourth proportional to 647,029.58, 970,544.36 and 647,029.58 is: 970,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,029.58 : 970,544.36 = 647,029.58 : x
  2. Step 2: Convert to fraction form
    647,029.58/970,544.36 = 647,029.58/x
  3. Step 3: Cross multiply
    647,029.58x = 970,544.36 × 647,029.58
  4. Step 4: Simplify right side
    647,029.58x = 627,970,906,387.02
  5. Step 5: Solve for x
    x = 627,970,906,387.02/647,029.58
  6. Step 6: Final answer
    x = 970,544.36

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Double scale
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Similar ratio
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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.