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Finding the Fourth Proportional to 574,816.37, 861,688.44 and 195,477.89

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Solution

The fourth proportional to 574,816.37, 861,688.44 and 195,477.89 is: 293,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,816.37 : 861,688.44 = 195,477.89 : x
  2. Step 2: Convert to fraction form
    574,816.37/861,688.44 = 195,477.89/x
  3. Step 3: Cross multiply
    574,816.37x = 861,688.44 × 195,477.89
  4. Step 4: Simplify right side
    574,816.37x = 168,441,033,780.15
  5. Step 5: Solve for x
    x = 168,441,033,780.15/574,816.37
  6. Step 6: Final answer
    x = 293,034.51

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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.