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Finding the Fourth Proportional to 617,410.80, 927,066.60 and 337,474.80

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Solution

The fourth proportional to 617,410.80, 927,066.60 and 337,474.80 is: 506,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,410.80 : 927,066.60 = 337,474.80 : x
  2. Step 2: Convert to fraction form
    617,410.80/927,066.60 = 337,474.80/x
  3. Step 3: Cross multiply
    617,410.80x = 927,066.60 × 337,474.80
  4. Step 4: Simplify right side
    617,410.80x = 312,861,615,421.68
  5. Step 5: Solve for x
    x = 312,861,615,421.68/617,410.80
  6. Step 6: Final answer
    x = 506,731.69

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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.