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Finding the Fourth Proportional to 362,349.98, 543,521.49 and 220,234.47

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Solution

The fourth proportional to 362,349.98, 543,521.49 and 220,234.47 is: 330,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,349.98 : 543,521.49 = 220,234.47 : x
  2. Step 2: Convert to fraction form
    362,349.98/543,521.49 = 220,234.47/x
  3. Step 3: Cross multiply
    362,349.98x = 543,521.49 × 220,234.47
  4. Step 4: Simplify right side
    362,349.98x = 119,702,167,187.15
  5. Step 5: Solve for x
    x = 119,702,167,187.15/362,349.98
  6. Step 6: Final answer
    x = 330,349.59

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1.5x scale

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.