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Finding the Fourth Proportional to 551,002.56, 824,616.54 and 382,712.64

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Solution

The fourth proportional to 551,002.56, 824,616.54 and 382,712.64 is: 572,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,002.56 : 824,616.54 = 382,712.64 : x
  2. Step 2: Convert to fraction form
    551,002.56/824,616.54 = 382,712.64/x
  3. Step 3: Cross multiply
    551,002.56x = 824,616.54 × 382,712.64
  4. Step 4: Simplify right side
    551,002.56x = 315,591,173,011.07
  5. Step 5: Solve for x
    x = 315,591,173,011.07/551,002.56
  6. Step 6: Final answer
    x = 572,758.09

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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.