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Finding the Fourth Proportional to 619,781.96, 930,066.18 and 264,798.68

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Solution

The fourth proportional to 619,781.96, 930,066.18 and 264,798.68 is: 397,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,781.96 : 930,066.18 = 264,798.68 : x
  2. Step 2: Convert to fraction form
    619,781.96/930,066.18 = 264,798.68/x
  3. Step 3: Cross multiply
    619,781.96x = 930,066.18 × 264,798.68
  4. Step 4: Simplify right side
    619,781.96x = 246,280,296,776.64
  5. Step 5: Solve for x
    x = 246,280,296,776.64/619,781.96
  6. Step 6: Final answer
    x = 397,366.03

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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.