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Finding the Fourth Proportional to 519,425.15, 779,039.31 and 182,386.58

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Solution

The fourth proportional to 519,425.15, 779,039.31 and 182,386.58 is: 273,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,425.15 : 779,039.31 = 182,386.58 : x
  2. Step 2: Convert to fraction form
    519,425.15/779,039.31 = 182,386.58/x
  3. Step 3: Cross multiply
    519,425.15x = 779,039.31 × 182,386.58
  4. Step 4: Simplify right side
    519,425.15x = 142,086,315,436.46
  5. Step 5: Solve for x
    x = 142,086,315,436.46/519,425.15
  6. Step 6: Final answer
    x = 273,545.31

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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.