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Finding the Fourth Proportional to 519,050.90, 777,481.94 and 329,411.27

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Solution

The fourth proportional to 519,050.90, 777,481.94 and 329,411.27 is: 493,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,050.90 : 777,481.94 = 329,411.27 : x
  2. Step 2: Convert to fraction form
    519,050.90/777,481.94 = 329,411.27/x
  3. Step 3: Cross multiply
    519,050.90x = 777,481.94 × 329,411.27
  4. Step 4: Simplify right side
    519,050.90x = 256,111,316,024.70
  5. Step 5: Solve for x
    x = 256,111,316,024.70/519,050.90
  6. Step 6: Final answer
    x = 493,422.35

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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.