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Finding the Fourth Proportional to 864,364.37, 1,192,842 and 477,178.88

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Solution

The fourth proportional to 864,364.37, 1,192,842 and 477,178.88 is: 658,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,364.37 : 1,192,842 = 477,178.88 : x
  2. Step 2: Convert to fraction form
    864,364.37/1,192,842 = 477,178.88/x
  3. Step 3: Cross multiply
    864,364.37x = 1,192,842 × 477,178.88
  4. Step 4: Simplify right side
    864,364.37x = 569,199,003,612.75
  5. Step 5: Solve for x
    x = 569,199,003,612.75/864,364.37
  6. Step 6: Final answer
    x = 658,517.43

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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.