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Finding the Fourth Proportional to 629,921.60, 944,968.80 and 230,465.60

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Solution

The fourth proportional to 629,921.60, 944,968.80 and 230,465.60 is: 345,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,921.60 : 944,968.80 = 230,465.60 : x
  2. Step 2: Convert to fraction form
    629,921.60/944,968.80 = 230,465.60/x
  3. Step 3: Cross multiply
    629,921.60x = 944,968.80 × 230,465.60
  4. Step 4: Simplify right side
    629,921.60x = 217,782,801,473.28
  5. Step 5: Solve for x
    x = 217,782,801,473.28/629,921.60
  6. Step 6: Final answer
    x = 345,730.01

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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.