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Finding the Fourth Proportional to 421,626.06, 631,425.69 and 241,164.63

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Solution

The fourth proportional to 421,626.06, 631,425.69 and 241,164.63 is: 361,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,626.06 : 631,425.69 = 241,164.63 : x
  2. Step 2: Convert to fraction form
    421,626.06/631,425.69 = 241,164.63/x
  3. Step 3: Cross multiply
    421,626.06x = 631,425.69 × 241,164.63
  4. Step 4: Simplify right side
    421,626.06x = 152,277,542,901.35
  5. Step 5: Solve for x
    x = 152,277,542,901.35/421,626.06
  6. Step 6: Final answer
    x = 361,167.29

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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.