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Finding the Fourth Proportional to 499,522.41, 689,404.06 and 327,585.03

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Solution

The fourth proportional to 499,522.41, 689,404.06 and 327,585.03 is: 452,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,522.41 : 689,404.06 = 327,585.03 : x
  2. Step 2: Convert to fraction form
    499,522.41/689,404.06 = 327,585.03/x
  3. Step 3: Cross multiply
    499,522.41x = 689,404.06 × 327,585.03
  4. Step 4: Simplify right side
    499,522.41x = 225,838,447,501.44
  5. Step 5: Solve for x
    x = 225,838,447,501.44/499,522.41
  6. Step 6: Final answer
    x = 452,108.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.