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Finding the Fourth Proportional to 568,297.41, 784,252.06 and 310,176.72

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Solution

The fourth proportional to 568,297.41, 784,252.06 and 310,176.72 is: 428,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,297.41 : 784,252.06 = 310,176.72 : x
  2. Step 2: Convert to fraction form
    568,297.41/784,252.06 = 310,176.72/x
  3. Step 3: Cross multiply
    568,297.41x = 784,252.06 × 310,176.72
  4. Step 4: Simplify right side
    568,297.41x = 243,256,731,624.04
  5. Step 5: Solve for x
    x = 243,256,731,624.04/568,297.41
  6. Step 6: Final answer
    x = 428,044.77

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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.