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Finding the Fourth Proportional to 545,902.25, 753,334.92 and 304,179.66

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Solution

The fourth proportional to 545,902.25, 753,334.92 and 304,179.66 is: 419,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,902.25 : 753,334.92 = 304,179.66 : x
  2. Step 2: Convert to fraction form
    545,902.25/753,334.92 = 304,179.66/x
  3. Step 3: Cross multiply
    545,902.25x = 753,334.92 × 304,179.66
  4. Step 4: Simplify right side
    545,902.25x = 229,149,159,831.73
  5. Step 5: Solve for x
    x = 229,149,159,831.73/545,902.25
  6. Step 6: Final answer
    x = 419,762.26

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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.