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Finding the Fourth Proportional to 406,523.89, 609,120.60 and 246,113.65

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Solution

The fourth proportional to 406,523.89, 609,120.60 and 246,113.65 is: 368,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,523.89 : 609,120.60 = 246,113.65 : x
  2. Step 2: Convert to fraction form
    406,523.89/609,120.60 = 246,113.65/x
  3. Step 3: Cross multiply
    406,523.89x = 609,120.60 × 246,113.65
  4. Step 4: Simplify right side
    406,523.89x = 149,912,894,156.19
  5. Step 5: Solve for x
    x = 149,912,894,156.19/406,523.89
  6. Step 6: Final answer
    x = 368,767.74

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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.