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Finding the Fourth Proportional to 352,511.52, 486,466.32 and 191,366.64

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Solution

The fourth proportional to 352,511.52, 486,466.32 and 191,366.64 is: 264,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511.52 : 486,466.32 = 191,366.64 : x
  2. Step 2: Convert to fraction form
    352,511.52/486,466.32 = 191,366.64/x
  3. Step 3: Cross multiply
    352,511.52x = 486,466.32 × 191,366.64
  4. Step 4: Simplify right side
    352,511.52x = 93,093,425,131.56
  5. Step 5: Solve for x
    x = 93,093,425,131.56/352,511.52
  6. Step 6: Final answer
    x = 264,086.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.