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Finding the Fourth Proportional to 666,463.60, 999,112.20 and 595,604.80

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Solution

The fourth proportional to 666,463.60, 999,112.20 and 595,604.80 is: 892,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,463.60 : 999,112.20 = 595,604.80 : x
  2. Step 2: Convert to fraction form
    666,463.60/999,112.20 = 595,604.80/x
  3. Step 3: Cross multiply
    666,463.60x = 999,112.20 × 595,604.80
  4. Step 4: Simplify right side
    666,463.60x = 595,076,022,058.56
  5. Step 5: Solve for x
    x = 595,076,022,058.56/666,463.60
  6. Step 6: Final answer
    x = 892,886.01

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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.