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Finding the Fourth Proportional to 519,356.74, 779,121.19 and 182,309.94

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Solution

The fourth proportional to 519,356.74, 779,121.19 and 182,309.94 is: 273,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,356.74 : 779,121.19 = 182,309.94 : x
  2. Step 2: Convert to fraction form
    519,356.74/779,121.19 = 182,309.94/x
  3. Step 3: Cross multiply
    519,356.74x = 779,121.19 × 182,309.94
  4. Step 4: Simplify right side
    519,356.74x = 142,041,537,401.63
  5. Step 5: Solve for x
    x = 142,041,537,401.63/519,356.74
  6. Step 6: Final answer
    x = 273,495.13

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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.