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Finding the Fourth Proportional to 587,234.52, 810,384.44 and 318,962.52

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Solution

The fourth proportional to 587,234.52, 810,384.44 and 318,962.52 is: 440,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,234.52 : 810,384.44 = 318,962.52 : x
  2. Step 2: Convert to fraction form
    587,234.52/810,384.44 = 318,962.52/x
  3. Step 3: Cross multiply
    587,234.52x = 810,384.44 × 318,962.52
  4. Step 4: Simplify right side
    587,234.52x = 258,482,263,151.19
  5. Step 5: Solve for x
    x = 258,482,263,151.19/587,234.52
  6. Step 6: Final answer
    x = 440,168.71

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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.