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Finding the Fourth Proportional to 519,737.48, 779,604.76 and 203,973.56

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Solution

The fourth proportional to 519,737.48, 779,604.76 and 203,973.56 is: 305,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,737.48 : 779,604.76 = 203,973.56 : x
  2. Step 2: Convert to fraction form
    519,737.48/779,604.76 = 203,973.56/x
  3. Step 3: Cross multiply
    519,737.48x = 779,604.76 × 203,973.56
  4. Step 4: Simplify right side
    519,737.48x = 159,018,758,290.15
  5. Step 5: Solve for x
    x = 159,018,758,290.15/519,737.48
  6. Step 6: Final answer
    x = 305,959.77

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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.