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Finding the Fourth Proportional to 551,003.56, 824,618.04 and 382,713.64

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Solution

The fourth proportional to 551,003.56, 824,618.04 and 382,713.64 is: 572,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,003.56 : 824,618.04 = 382,713.64 : x
  2. Step 2: Convert to fraction form
    551,003.56/824,618.04 = 382,713.64/x
  3. Step 3: Cross multiply
    551,003.56x = 824,618.04 × 382,713.64
  4. Step 4: Simplify right side
    551,003.56x = 315,592,571,698.07
  5. Step 5: Solve for x
    x = 315,592,571,698.07/551,003.56
  6. Step 6: Final answer
    x = 572,759.59

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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.