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Finding the Fourth Proportional to 352,066.74, 485,852.22 and 190,921.74

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Solution

The fourth proportional to 352,066.74, 485,852.22 and 190,921.74 is: 263,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,066.74 : 485,852.22 = 190,921.74 : x
  2. Step 2: Convert to fraction form
    352,066.74/485,852.22 = 190,921.74/x
  3. Step 3: Cross multiply
    352,066.74x = 485,852.22 × 190,921.74
  4. Step 4: Simplify right side
    352,066.74x = 92,759,751,225.26
  5. Step 5: Solve for x
    x = 92,759,751,225.26/352,066.74
  6. Step 6: Final answer
    x = 263,472.07

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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.