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Finding the Fourth Proportional to 488,880.36, 733,323.81 and 189,394.20

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Solution

The fourth proportional to 488,880.36, 733,323.81 and 189,394.20 is: 284,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,880.36 : 733,323.81 = 189,394.20 : x
  2. Step 2: Convert to fraction form
    488,880.36/733,323.81 = 189,394.20/x
  3. Step 3: Cross multiply
    488,880.36x = 733,323.81 × 189,394.20
  4. Step 4: Simplify right side
    488,880.36x = 138,887,276,335.90
  5. Step 5: Solve for x
    x = 138,887,276,335.90/488,880.36
  6. Step 6: Final answer
    x = 284,092.57

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1.5x scale

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.