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Finding the Fourth Proportional to 352,360.62, 486,258.94 and 191,215.64

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Solution

The fourth proportional to 352,360.62, 486,258.94 and 191,215.64 is: 263,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,360.62 : 486,258.94 = 191,215.64 : x
  2. Step 2: Convert to fraction form
    352,360.62/486,258.94 = 191,215.64/x
  3. Step 3: Cross multiply
    352,360.62x = 486,258.94 × 191,215.64
  4. Step 4: Simplify right side
    352,360.62x = 92,980,314,417.82
  5. Step 5: Solve for x
    x = 92,980,314,417.82/352,360.62
  6. Step 6: Final answer
    x = 263,878.28

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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.