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Finding the Fourth Proportional to 352,497.71, 486,449.69 and 195,336.25

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Solution

The fourth proportional to 352,497.71, 486,449.69 and 195,336.25 is: 269,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,497.71 : 486,449.69 = 195,336.25 : x
  2. Step 2: Convert to fraction form
    352,497.71/486,449.69 = 195,336.25/x
  3. Step 3: Cross multiply
    352,497.71x = 486,449.69 × 195,336.25
  4. Step 4: Simplify right side
    352,497.71x = 95,021,258,258.26
  5. Step 5: Solve for x
    x = 95,021,258,258.26/352,497.71
  6. Step 6: Final answer
    x = 269,565.60

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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.