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Finding the Fourth Proportional to 591,259.52, 886,659.20 and 191,803.70

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Solution

The fourth proportional to 591,259.52, 886,659.20 and 191,803.70 is: 287,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,259.52 : 886,659.20 = 191,803.70 : x
  2. Step 2: Convert to fraction form
    591,259.52/886,659.20 = 191,803.70/x
  3. Step 3: Cross multiply
    591,259.52x = 886,659.20 × 191,803.70
  4. Step 4: Simplify right side
    591,259.52x = 170,064,515,199.04
  5. Step 5: Solve for x
    x = 170,064,515,199.04/591,259.52
  6. Step 6: Final answer
    x = 287,630.91

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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.