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Finding the Fourth Proportional to 519,412.15, 779,019.81 and 182,373.58

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Solution

The fourth proportional to 519,412.15, 779,019.81 and 182,373.58 is: 273,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,412.15 : 779,019.81 = 182,373.58 : x
  2. Step 2: Convert to fraction form
    519,412.15/779,019.81 = 182,373.58/x
  3. Step 3: Cross multiply
    519,412.15x = 779,019.81 × 182,373.58
  4. Step 4: Simplify right side
    519,412.15x = 142,072,631,640.62
  5. Step 5: Solve for x
    x = 142,072,631,640.62/519,412.15
  6. Step 6: Final answer
    x = 273,525.81

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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.