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Finding the Fourth Proportional to 519,328.90, 779,342.46 and 182,372.14

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Solution

The fourth proportional to 519,328.90, 779,342.46 and 182,372.14 is: 273,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,328.90 : 779,342.46 = 182,372.14 : x
  2. Step 2: Convert to fraction form
    519,328.90/779,342.46 = 182,372.14/x
  3. Step 3: Cross multiply
    519,328.90x = 779,342.46 × 182,372.14
  4. Step 4: Simplify right side
    519,328.90x = 142,130,352,223.06
  5. Step 5: Solve for x
    x = 142,130,352,223.06/519,328.90
  6. Step 6: Final answer
    x = 273,680.81

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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.