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Finding the Fourth Proportional to 301,099.58, 415,398.87 and 173,750.57

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Solution

The fourth proportional to 301,099.58, 415,398.87 and 173,750.57 is: 239,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,099.58 : 415,398.87 = 173,750.57 : x
  2. Step 2: Convert to fraction form
    301,099.58/415,398.87 = 173,750.57/x
  3. Step 3: Cross multiply
    301,099.58x = 415,398.87 × 173,750.57
  4. Step 4: Simplify right side
    301,099.58x = 72,175,790,439.86
  5. Step 5: Solve for x
    x = 72,175,790,439.86/301,099.58
  6. Step 6: Final answer
    x = 239,707.38

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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.