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Finding the Fourth Proportional to 355,234.60, 534,164.10 and 297,497.80

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Solution

The fourth proportional to 355,234.60, 534,164.10 and 297,497.80 is: 447,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,234.60 : 534,164.10 = 297,497.80 : x
  2. Step 2: Convert to fraction form
    355,234.60/534,164.10 = 297,497.80/x
  3. Step 3: Cross multiply
    355,234.60x = 534,164.10 × 297,497.80
  4. Step 4: Simplify right side
    355,234.60x = 158,912,644,588.98
  5. Step 5: Solve for x
    x = 158,912,644,588.98/355,234.60
  6. Step 6: Final answer
    x = 447,345.63

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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.