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Finding the Fourth Proportional to 629,737.40, 944,606.10 and 186,505.40

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Solution

The fourth proportional to 629,737.40, 944,606.10 and 186,505.40 is: 279,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,737.40 : 944,606.10 = 186,505.40 : x
  2. Step 2: Convert to fraction form
    629,737.40/944,606.10 = 186,505.40/x
  3. Step 3: Cross multiply
    629,737.40x = 944,606.10 × 186,505.40
  4. Step 4: Simplify right side
    629,737.40x = 176,174,138,522.94
  5. Step 5: Solve for x
    x = 176,174,138,522.94/629,737.40
  6. Step 6: Final answer
    x = 279,758.10

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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.