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Finding the Fourth Proportional to 513,568.43, 771,100.41 and 364,599.71

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Solution

The fourth proportional to 513,568.43, 771,100.41 and 364,599.71 is: 547,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,568.43 : 771,100.41 = 364,599.71 : x
  2. Step 2: Convert to fraction form
    513,568.43/771,100.41 = 364,599.71/x
  3. Step 3: Cross multiply
    513,568.43x = 771,100.41 × 364,599.71
  4. Step 4: Simplify right side
    513,568.43x = 281,142,985,866.88
  5. Step 5: Solve for x
    x = 281,142,985,866.88/513,568.43
  6. Step 6: Final answer
    x = 547,430.43

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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.