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Finding the Fourth Proportional to 352,519.73, 486,483.10 and 191,374.78

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Solution

The fourth proportional to 352,519.73, 486,483.10 and 191,374.78 is: 264,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,519.73 : 486,483.10 = 191,374.78 : x
  2. Step 2: Convert to fraction form
    352,519.73/486,483.10 = 191,374.78/x
  3. Step 3: Cross multiply
    352,519.73x = 486,483.10 × 191,374.78
  4. Step 4: Simplify right side
    352,519.73x = 93,100,596,236.22
  5. Step 5: Solve for x
    x = 93,100,596,236.22/352,519.73
  6. Step 6: Final answer
    x = 264,100.38

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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.