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Finding the Fourth Proportional to 616,757.16, 925,222.70 and 190,327.69

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Solution

The fourth proportional to 616,757.16, 925,222.70 and 190,327.69 is: 285,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,757.16 : 925,222.70 = 190,327.69 : x
  2. Step 2: Convert to fraction form
    616,757.16/925,222.70 = 190,327.69/x
  3. Step 3: Cross multiply
    616,757.16x = 925,222.70 × 190,327.69
  4. Step 4: Simplify right side
    616,757.16x = 176,095,499,226.56
  5. Step 5: Solve for x
    x = 176,095,499,226.56/616,757.16
  6. Step 6: Final answer
    x = 285,518.37

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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.