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Finding the Fourth Proportional to 260,718.91, 359,792.09 and 141,486.91

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Solution

The fourth proportional to 260,718.91, 359,792.09 and 141,486.91 is: 195,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,718.91 : 359,792.09 = 141,486.91 : x
  2. Step 2: Convert to fraction form
    260,718.91/359,792.09 = 141,486.91/x
  3. Step 3: Cross multiply
    260,718.91x = 359,792.09 × 141,486.91
  4. Step 4: Simplify right side
    260,718.91x = 50,905,871,056.54
  5. Step 5: Solve for x
    x = 50,905,871,056.54/260,718.91
  6. Step 6: Final answer
    x = 195,251.93

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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.