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Finding the Fourth Proportional to 647,025.60, 970,538.40 and 633,201.60

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Solution

The fourth proportional to 647,025.60, 970,538.40 and 633,201.60 is: 949,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,025.60 : 970,538.40 = 633,201.60 : x
  2. Step 2: Convert to fraction form
    647,025.60/970,538.40 = 633,201.60/x
  3. Step 3: Cross multiply
    647,025.60x = 970,538.40 × 633,201.60
  4. Step 4: Simplify right side
    647,025.60x = 614,546,467,741.44
  5. Step 5: Solve for x
    x = 614,546,467,741.44/647,025.60
  6. Step 6: Final answer
    x = 949,802.40

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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.