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Finding the Fourth Proportional to 301,172.13, 415,617.48 and 173,847.71

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Solution

The fourth proportional to 301,172.13, 415,617.48 and 173,847.71 is: 239,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,172.13 : 415,617.48 = 173,847.71 : x
  2. Step 2: Convert to fraction form
    301,172.13/415,617.48 = 173,847.71/x
  3. Step 3: Cross multiply
    301,172.13x = 415,617.48 × 173,847.71
  4. Step 4: Simplify right side
    301,172.13x = 72,254,148,173.01
  5. Step 5: Solve for x
    x = 72,254,148,173.01/301,172.13
  6. Step 6: Final answer
    x = 239,909.81

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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.