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Finding the Fourth Proportional to 350,881.25, 484,215.53 and 197,918.96

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Solution

The fourth proportional to 350,881.25, 484,215.53 and 197,918.96 is: 273,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,881.25 : 484,215.53 = 197,918.96 : x
  2. Step 2: Convert to fraction form
    350,881.25/484,215.53 = 197,918.96/x
  3. Step 3: Cross multiply
    350,881.25x = 484,215.53 × 197,918.96
  4. Step 4: Simplify right side
    350,881.25x = 95,835,430,702.78
  5. Step 5: Solve for x
    x = 95,835,430,702.78/350,881.25
  6. Step 6: Final answer
    x = 273,127.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.