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Finding the Fourth Proportional to 492,298.08, 738,025.87 and 188,909.94

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Solution

The fourth proportional to 492,298.08, 738,025.87 and 188,909.94 is: 283,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,298.08 : 738,025.87 = 188,909.94 : x
  2. Step 2: Convert to fraction form
    492,298.08/738,025.87 = 188,909.94/x
  3. Step 3: Cross multiply
    492,298.08x = 738,025.87 × 188,909.94
  4. Step 4: Simplify right side
    492,298.08x = 139,420,422,820.15
  5. Step 5: Solve for x
    x = 139,420,422,820.15/492,298.08
  6. Step 6: Final answer
    x = 283,203.26

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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.