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Finding the Fourth Proportional to 595,221.42, 892,072.89 and 278,981.58

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Solution

The fourth proportional to 595,221.42, 892,072.89 and 278,981.58 is: 418,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,221.42 : 892,072.89 = 278,981.58 : x
  2. Step 2: Convert to fraction form
    595,221.42/892,072.89 = 278,981.58/x
  3. Step 3: Cross multiply
    595,221.42x = 892,072.89 × 278,981.58
  4. Step 4: Simplify right side
    595,221.42x = 248,871,904,327.37
  5. Step 5: Solve for x
    x = 248,871,904,327.37/595,221.42
  6. Step 6: Final answer
    x = 418,116.51

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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.