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Finding the Fourth Proportional to 260,551, 359,560.50 and 147,371.32

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Solution

The fourth proportional to 260,551, 359,560.50 and 147,371.32 is: 203,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,551 : 359,560.50 = 147,371.32 : x
  2. Step 2: Convert to fraction form
    260,551/359,560.50 = 147,371.32/x
  3. Step 3: Cross multiply
    260,551x = 359,560.50 × 147,371.32
  4. Step 4: Simplify right side
    260,551x = 52,988,905,504.86
  5. Step 5: Solve for x
    x = 52,988,905,504.86/260,551
  6. Step 6: Final answer
    x = 203,372.49

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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.