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Finding the Fourth Proportional to 622,930.50, 934,551.81 and 179,698.50

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Solution

The fourth proportional to 622,930.50, 934,551.81 and 179,698.50 is: 269,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,930.50 : 934,551.81 = 179,698.50 : x
  2. Step 2: Convert to fraction form
    622,930.50/934,551.81 = 179,698.50/x
  3. Step 3: Cross multiply
    622,930.50x = 934,551.81 × 179,698.50
  4. Step 4: Simplify right side
    622,930.50x = 167,937,558,429.29
  5. Step 5: Solve for x
    x = 167,937,558,429.29/622,930.50
  6. Step 6: Final answer
    x = 269,592.77

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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.