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Finding the Fourth Proportional to 650,967.90, 978,784.65 and 548,324.70

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Solution

The fourth proportional to 650,967.90, 978,784.65 and 548,324.70 is: 824,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,967.90 : 978,784.65 = 548,324.70 : x
  2. Step 2: Convert to fraction form
    650,967.90/978,784.65 = 548,324.70/x
  3. Step 3: Cross multiply
    650,967.90x = 978,784.65 × 548,324.70
  4. Step 4: Simplify right side
    650,967.90x = 536,691,799,575.86
  5. Step 5: Solve for x
    x = 536,691,799,575.86/650,967.90
  6. Step 6: Final answer
    x = 824,452.02

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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.