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Finding the Fourth Proportional to 260,349.59, 390,447.83 and 110,588.69

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Solution

The fourth proportional to 260,349.59, 390,447.83 and 110,588.69 is: 165,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,349.59 : 390,447.83 = 110,588.69 : x
  2. Step 2: Convert to fraction form
    260,349.59/390,447.83 = 110,588.69/x
  3. Step 3: Cross multiply
    260,349.59x = 390,447.83 × 110,588.69
  4. Step 4: Simplify right side
    260,349.59x = 43,179,114,033.04
  5. Step 5: Solve for x
    x = 43,179,114,033.04/260,349.59
  6. Step 6: Final answer
    x = 165,850.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.