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Finding the Fourth Proportional to 629,893.35, 944,838.81 and 156,579.17

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Solution

The fourth proportional to 629,893.35, 944,838.81 and 156,579.17 is: 234,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,893.35 : 944,838.81 = 156,579.17 : x
  2. Step 2: Convert to fraction form
    629,893.35/944,838.81 = 156,579.17/x
  3. Step 3: Cross multiply
    629,893.35x = 944,838.81 × 156,579.17
  4. Step 4: Simplify right side
    629,893.35x = 147,942,076,653.59
  5. Step 5: Solve for x
    x = 147,942,076,653.59/629,893.35
  6. Step 6: Final answer
    x = 234,868.45

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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.