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Finding the Fourth Proportional to 373,280.76, 515,171.93 and 235,659.66

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Solution

The fourth proportional to 373,280.76, 515,171.93 and 235,659.66 is: 325,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,280.76 : 515,171.93 = 235,659.66 : x
  2. Step 2: Convert to fraction form
    373,280.76/515,171.93 = 235,659.66/x
  3. Step 3: Cross multiply
    373,280.76x = 515,171.93 × 235,659.66
  4. Step 4: Simplify right side
    373,280.76x = 121,405,240,687.05
  5. Step 5: Solve for x
    x = 121,405,240,687.05/373,280.76
  6. Step 6: Final answer
    x = 325,238.41

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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.