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Finding the Fourth Proportional to 629,538.80, 944,423.40 and 255,599.60

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Solution

The fourth proportional to 629,538.80, 944,423.40 and 255,599.60 is: 383,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,538.80 : 944,423.40 = 255,599.60 : x
  2. Step 2: Convert to fraction form
    629,538.80/944,423.40 = 255,599.60/x
  3. Step 3: Cross multiply
    629,538.80x = 944,423.40 × 255,599.60
  4. Step 4: Simplify right side
    629,538.80x = 241,394,243,270.64
  5. Step 5: Solve for x
    x = 241,394,243,270.64/629,538.80
  6. Step 6: Final answer
    x = 383,446.17

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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.