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Finding the Fourth Proportional to 629,960.20, 944,940.30 and 452,813.20

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Solution

The fourth proportional to 629,960.20, 944,940.30 and 452,813.20 is: 679,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,960.20 : 944,940.30 = 452,813.20 : x
  2. Step 2: Convert to fraction form
    629,960.20/944,940.30 = 452,813.20/x
  3. Step 3: Cross multiply
    629,960.20x = 944,940.30 × 452,813.20
  4. Step 4: Simplify right side
    629,960.20x = 427,881,441,051.96
  5. Step 5: Solve for x
    x = 427,881,441,051.96/629,960.20
  6. Step 6: Final answer
    x = 679,219.80

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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.