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Finding the Fourth Proportional to 591,470.48, 887,345.40 and 192,112.40

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Solution

The fourth proportional to 591,470.48, 887,345.40 and 192,112.40 is: 288,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,470.48 : 887,345.40 = 192,112.40 : x
  2. Step 2: Convert to fraction form
    591,470.48/887,345.40 = 192,112.40/x
  3. Step 3: Cross multiply
    591,470.48x = 887,345.40 × 192,112.40
  4. Step 4: Simplify right side
    591,470.48x = 170,470,054,422.96
  5. Step 5: Solve for x
    x = 170,470,054,422.96/591,470.48
  6. Step 6: Final answer
    x = 288,213.97

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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.