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Finding the Fourth Proportional to 591,510.60, 887,047.20 and 192,164.40

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Solution

The fourth proportional to 591,510.60, 887,047.20 and 192,164.40 is: 288,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,510.60 : 887,047.20 = 192,164.40 : x
  2. Step 2: Convert to fraction form
    591,510.60/887,047.20 = 192,164.40/x
  3. Step 3: Cross multiply
    591,510.60x = 887,047.20 × 192,164.40
  4. Step 4: Simplify right side
    591,510.60x = 170,458,892,959.68
  5. Step 5: Solve for x
    x = 170,458,892,959.68/591,510.60
  6. Step 6: Final answer
    x = 288,175.55

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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.