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Finding the Fourth Proportional to 619,698.46, 927,201.92 and 367,114.54

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Solution

The fourth proportional to 619,698.46, 927,201.92 and 367,114.54 is: 549,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,698.46 : 927,201.92 = 367,114.54 : x
  2. Step 2: Convert to fraction form
    619,698.46/927,201.92 = 367,114.54/x
  3. Step 3: Cross multiply
    619,698.46x = 927,201.92 × 367,114.54
  4. Step 4: Simplify right side
    619,698.46x = 340,389,306,347.92
  5. Step 5: Solve for x
    x = 340,389,306,347.92/619,698.46
  6. Step 6: Final answer
    x = 549,282.16

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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.