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Finding the Fourth Proportional to 4,984,702.80, 7,471,805.40 and 1,950,896.40

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Solution

The fourth proportional to 4,984,702.80, 7,471,805.40 and 1,950,896.40 is: 2,924,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984,702.80 : 7,471,805.40 = 1,950,896.40 : x
  2. Step 2: Convert to fraction form
    4,984,702.80/7,471,805.40 = 1,950,896.40/x
  3. Step 3: Cross multiply
    4,984,702.80x = 7,471,805.40 × 1,950,896.40
  4. Step 4: Simplify right side
    4,984,702.80x = 14,576,718,256,360.56
  5. Step 5: Solve for x
    x = 14,576,718,256,360.56/4,984,702.80
  6. Step 6: Final answer
    x = 2,924,290.34

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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.