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Finding the Fourth Proportional to 445,543.44, 668,381.88 and 161,300.52

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Solution

The fourth proportional to 445,543.44, 668,381.88 and 161,300.52 is: 241,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,543.44 : 668,381.88 = 161,300.52 : x
  2. Step 2: Convert to fraction form
    445,543.44/668,381.88 = 161,300.52/x
  3. Step 3: Cross multiply
    445,543.44x = 668,381.88 × 161,300.52
  4. Step 4: Simplify right side
    445,543.44x = 107,810,344,802.58
  5. Step 5: Solve for x
    x = 107,810,344,802.58/445,543.44
  6. Step 6: Final answer
    x = 241,974.93

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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.