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Finding the Fourth Proportional to 352,425.62, 486,347.83 and 191,280.63

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Solution

The fourth proportional to 352,425.62, 486,347.83 and 191,280.63 is: 263,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,425.62 : 486,347.83 = 191,280.63 : x
  2. Step 2: Convert to fraction form
    352,425.62/486,347.83 = 191,280.63/x
  3. Step 3: Cross multiply
    352,425.62x = 486,347.83 × 191,280.63
  4. Step 4: Simplify right side
    352,425.62x = 93,028,917,736.83
  5. Step 5: Solve for x
    x = 93,028,917,736.83/352,425.62
  6. Step 6: Final answer
    x = 263,967.52

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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.