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Finding the Fourth Proportional to 519,362.40, 778,849.20 and 182,272.80

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Solution

The fourth proportional to 519,362.40, 778,849.20 and 182,272.80 is: 273,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,362.40 : 778,849.20 = 182,272.80 : x
  2. Step 2: Convert to fraction form
    519,362.40/778,849.20 = 182,272.80/x
  3. Step 3: Cross multiply
    519,362.40x = 778,849.20 × 182,272.80
  4. Step 4: Simplify right side
    519,362.40x = 141,963,024,461.76
  5. Step 5: Solve for x
    x = 141,963,024,461.76/519,362.40
  6. Step 6: Final answer
    x = 273,340.97

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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.