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Finding the Fourth Proportional to 260,314.56, 359,265.60 and 147,136.32

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Solution

The fourth proportional to 260,314.56, 359,265.60 and 147,136.32 is: 203,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,314.56 : 359,265.60 = 147,136.32 : x
  2. Step 2: Convert to fraction form
    260,314.56/359,265.60 = 147,136.32/x
  3. Step 3: Cross multiply
    260,314.56x = 359,265.60 × 147,136.32
  4. Step 4: Simplify right side
    260,314.56x = 52,861,018,286.59
  5. Step 5: Solve for x
    x = 52,861,018,286.59/260,314.56
  6. Step 6: Final answer
    x = 203,065.93

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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.