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Finding the Fourth Proportional to 325,580.79, 449,220.32 and 187,801.84

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Solution

The fourth proportional to 325,580.79, 449,220.32 and 187,801.84 is: 259,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.79 : 449,220.32 = 187,801.84 : x
  2. Step 2: Convert to fraction form
    325,580.79/449,220.32 = 187,801.84/x
  3. Step 3: Cross multiply
    325,580.79x = 449,220.32 × 187,801.84
  4. Step 4: Simplify right side
    325,580.79x = 84,364,400,415.29
  5. Step 5: Solve for x
    x = 84,364,400,415.29/325,580.79
  6. Step 6: Final answer
    x = 259,119.72

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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.