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Finding the Fourth Proportional to 260,057.52, 358,874.28 and 145,337.22

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Solution

The fourth proportional to 260,057.52, 358,874.28 and 145,337.22 is: 200,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,057.52 : 358,874.28 = 145,337.22 : x
  2. Step 2: Convert to fraction form
    260,057.52/358,874.28 = 145,337.22/x
  3. Step 3: Cross multiply
    260,057.52x = 358,874.28 × 145,337.22
  4. Step 4: Simplify right side
    260,057.52x = 52,157,790,184.70
  5. Step 5: Solve for x
    x = 52,157,790,184.70/260,057.52
  6. Step 6: Final answer
    x = 200,562.51

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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.