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Finding the Fourth Proportional to 606,962.84, 909,930.18 and 251,755.16

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Solution

The fourth proportional to 606,962.84, 909,930.18 and 251,755.16 is: 377,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,962.84 : 909,930.18 = 251,755.16 : x
  2. Step 2: Convert to fraction form
    606,962.84/909,930.18 = 251,755.16/x
  3. Step 3: Cross multiply
    606,962.84x = 909,930.18 × 251,755.16
  4. Step 4: Simplify right side
    606,962.84x = 229,079,618,054.73
  5. Step 5: Solve for x
    x = 229,079,618,054.73/606,962.84
  6. Step 6: Final answer
    x = 377,419.51

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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.