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Finding the Fourth Proportional to 384,908.90, 577,363.35 and 363,136.10

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Solution

The fourth proportional to 384,908.90, 577,363.35 and 363,136.10 is: 544,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,908.90 : 577,363.35 = 363,136.10 : x
  2. Step 2: Convert to fraction form
    384,908.90/577,363.35 = 363,136.10/x
  3. Step 3: Cross multiply
    384,908.90x = 577,363.35 × 363,136.10
  4. Step 4: Simplify right side
    384,908.90x = 209,661,475,201.94
  5. Step 5: Solve for x
    x = 209,661,475,201.94/384,908.90
  6. Step 6: Final answer
    x = 544,704.15

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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.