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Finding the Fourth Proportional to 352,493.80, 486,442.07 and 191,348.96

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Solution

The fourth proportional to 352,493.80, 486,442.07 and 191,348.96 is: 264,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,493.80 : 486,442.07 = 191,348.96 : x
  2. Step 2: Convert to fraction form
    352,493.80/486,442.07 = 191,348.96/x
  3. Step 3: Cross multiply
    352,493.80x = 486,442.07 × 191,348.96
  4. Step 4: Simplify right side
    352,493.80x = 93,080,184,194.75
  5. Step 5: Solve for x
    x = 93,080,184,194.75/352,493.80
  6. Step 6: Final answer
    x = 264,061.90

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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.