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Finding the Fourth Proportional to 260,857.17, 359,972.58 and 147,679.92

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Solution

The fourth proportional to 260,857.17, 359,972.58 and 147,679.92 is: 203,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,857.17 : 359,972.58 = 147,679.92 : x
  2. Step 2: Convert to fraction form
    260,857.17/359,972.58 = 147,679.92/x
  3. Step 3: Cross multiply
    260,857.17x = 359,972.58 × 147,679.92
  4. Step 4: Simplify right side
    260,857.17x = 53,160,721,816.59
  5. Step 5: Solve for x
    x = 53,160,721,816.59/260,857.17
  6. Step 6: Final answer
    x = 203,792.45

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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.