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Finding the Fourth Proportional to 442,436.67, 610,543.17 and 248,860.53

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Solution

The fourth proportional to 442,436.67, 610,543.17 and 248,860.53 is: 343,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,436.67 : 610,543.17 = 248,860.53 : x
  2. Step 2: Convert to fraction form
    442,436.67/610,543.17 = 248,860.53/x
  3. Step 3: Cross multiply
    442,436.67x = 610,543.17 × 248,860.53
  4. Step 4: Simplify right side
    442,436.67x = 151,940,096,874.08
  5. Step 5: Solve for x
    x = 151,940,096,874.08/442,436.67
  6. Step 6: Final answer
    x = 343,416.60

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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.