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Finding the Fourth Proportional to 352,338.95, 486,225.29 and 191,189.90

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Solution

The fourth proportional to 352,338.95, 486,225.29 and 191,189.90 is: 263,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,338.95 : 486,225.29 = 191,189.90 : x
  2. Step 2: Convert to fraction form
    352,338.95/486,225.29 = 191,189.90/x
  3. Step 3: Cross multiply
    352,338.95x = 486,225.29 × 191,189.90
  4. Step 4: Simplify right side
    352,338.95x = 92,961,363,616.62
  5. Step 5: Solve for x
    x = 92,961,363,616.62/352,338.95
  6. Step 6: Final answer
    x = 263,840.72

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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.