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Finding the Fourth Proportional to 629,969.03, 944,957.31 and 156,654.39

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Solution

The fourth proportional to 629,969.03, 944,957.31 and 156,654.39 is: 234,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,969.03 : 944,957.31 = 156,654.39 : x
  2. Step 2: Convert to fraction form
    629,969.03/944,957.31 = 156,654.39/x
  3. Step 3: Cross multiply
    629,969.03x = 944,957.31 × 156,654.39
  4. Step 4: Simplify right side
    629,969.03x = 148,031,713,923.15
  5. Step 5: Solve for x
    x = 148,031,713,923.15/629,969.03
  6. Step 6: Final answer
    x = 234,982.52

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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.