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Finding the Fourth Proportional to 422,041.17, 633,124.34 and 122,524.23

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Solution

The fourth proportional to 422,041.17, 633,124.34 and 122,524.23 is: 183,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,041.17 : 633,124.34 = 122,524.23 : x
  2. Step 2: Convert to fraction form
    422,041.17/633,124.34 = 122,524.23/x
  3. Step 3: Cross multiply
    422,041.17x = 633,124.34 × 122,524.23
  4. Step 4: Simplify right side
    422,041.17x = 77,573,071,640.14
  5. Step 5: Solve for x
    x = 77,573,071,640.14/422,041.17
  6. Step 6: Final answer
    x = 183,804.51

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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.