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Finding the Fourth Proportional to 845,982, 1,167,558.84 and 488,286

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Solution

The fourth proportional to 845,982, 1,167,558.84 and 488,286 is: 673,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,982 : 1,167,558.84 = 488,286 : x
  2. Step 2: Convert to fraction form
    845,982/1,167,558.84 = 488,286/x
  3. Step 3: Cross multiply
    845,982x = 1,167,558.84 × 488,286
  4. Step 4: Simplify right side
    845,982x = 570,102,635,748.24
  5. Step 5: Solve for x
    x = 570,102,635,748.24/845,982
  6. Step 6: Final answer
    x = 673,894.52

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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.