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Finding the Fourth Proportional to 262,040.79, 393,057.54 and 149,480.76

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Solution

The fourth proportional to 262,040.79, 393,057.54 and 149,480.76 is: 224,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,040.79 : 393,057.54 = 149,480.76 : x
  2. Step 2: Convert to fraction form
    262,040.79/393,057.54 = 149,480.76/x
  3. Step 3: Cross multiply
    262,040.79x = 393,057.54 × 149,480.76
  4. Step 4: Simplify right side
    262,040.79x = 58,754,539,802.93
  5. Step 5: Solve for x
    x = 58,754,539,802.93/262,040.79
  6. Step 6: Final answer
    x = 224,219.06

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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.