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Finding the Fourth Proportional to 536,384.70, 805,280.22 and 359,682.39

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Solution

The fourth proportional to 536,384.70, 805,280.22 and 359,682.39 is: 539,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,384.70 : 805,280.22 = 359,682.39 : x
  2. Step 2: Convert to fraction form
    536,384.70/805,280.22 = 359,682.39/x
  3. Step 3: Cross multiply
    536,384.70x = 805,280.22 × 359,682.39
  4. Step 4: Simplify right side
    536,384.70x = 289,645,114,149.33
  5. Step 5: Solve for x
    x = 289,645,114,149.33/536,384.70
  6. Step 6: Final answer
    x = 539,995.11

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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.