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Finding the Fourth Proportional to 2,952,392.80, 4,429,366.80 and 1,058,936.80

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Solution

The fourth proportional to 2,952,392.80, 4,429,366.80 and 1,058,936.80 is: 1,588,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,392.80 : 4,429,366.80 = 1,058,936.80 : x
  2. Step 2: Convert to fraction form
    2,952,392.80/4,429,366.80 = 1,058,936.80/x
  3. Step 3: Cross multiply
    2,952,392.80x = 4,429,366.80 × 1,058,936.80
  4. Step 4: Simplify right side
    2,952,392.80x = 4,690,419,505,218.24
  5. Step 5: Solve for x
    x = 4,690,419,505,218.24/2,952,392.80
  6. Step 6: Final answer
    x = 1,588,684.10

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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.