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Finding the Fourth Proportional to 260,606.70, 359,451.85 and 239,165.69

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Solution

The fourth proportional to 260,606.70, 359,451.85 and 239,165.69 is: 329,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,606.70 : 359,451.85 = 239,165.69 : x
  2. Step 2: Convert to fraction form
    260,606.70/359,451.85 = 239,165.69/x
  3. Step 3: Cross multiply
    260,606.70x = 359,451.85 × 239,165.69
  4. Step 4: Simplify right side
    260,606.70x = 85,968,549,727.03
  5. Step 5: Solve for x
    x = 85,968,549,727.03/260,606.70
  6. Step 6: Final answer
    x = 329,878.51

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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.