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Finding the Fourth Proportional to 629,816, 944,724.69 and 156,501.36

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Solution

The fourth proportional to 629,816, 944,724.69 and 156,501.36 is: 234,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,816 : 944,724.69 = 156,501.36 : x
  2. Step 2: Convert to fraction form
    629,816/944,724.69 = 156,501.36/x
  3. Step 3: Cross multiply
    629,816x = 944,724.69 × 156,501.36
  4. Step 4: Simplify right side
    629,816x = 147,850,698,810.58
  5. Step 5: Solve for x
    x = 147,850,698,810.58/629,816
  6. Step 6: Final answer
    x = 234,752.21

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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.