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Finding the Fourth Proportional to 352,345.95, 486,234.93 and 191,196.90

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Solution

The fourth proportional to 352,345.95, 486,234.93 and 191,196.90 is: 263,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,345.95 : 486,234.93 = 191,196.90 : x
  2. Step 2: Convert to fraction form
    352,345.95/486,234.93 = 191,196.90/x
  3. Step 3: Cross multiply
    352,345.95x = 486,234.93 × 191,196.90
  4. Step 4: Simplify right side
    352,345.95x = 92,966,611,287.72
  5. Step 5: Solve for x
    x = 92,966,611,287.72/352,345.95
  6. Step 6: Final answer
    x = 263,850.38

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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.