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Finding the Fourth Proportional to 519,374.97, 779,148.63 and 182,328.21

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Solution

The fourth proportional to 519,374.97, 779,148.63 and 182,328.21 is: 273,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,374.97 : 779,148.63 = 182,328.21 : x
  2. Step 2: Convert to fraction form
    519,374.97/779,148.63 = 182,328.21/x
  3. Step 3: Cross multiply
    519,374.97x = 779,148.63 × 182,328.21
  4. Step 4: Simplify right side
    519,374.97x = 142,060,775,031.85
  5. Step 5: Solve for x
    x = 142,060,775,031.85/519,374.97
  6. Step 6: Final answer
    x = 273,522.57

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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.