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Finding the Fourth Proportional to 2,795,899.20, 4,193,848.80 and 902,702.40

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Solution

The fourth proportional to 2,795,899.20, 4,193,848.80 and 902,702.40 is: 1,354,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,899.20 : 4,193,848.80 = 902,702.40 : x
  2. Step 2: Convert to fraction form
    2,795,899.20/4,193,848.80 = 902,702.40/x
  3. Step 3: Cross multiply
    2,795,899.20x = 4,193,848.80 × 902,702.40
  4. Step 4: Simplify right side
    2,795,899.20x = 3,785,797,376,997.12
  5. Step 5: Solve for x
    x = 3,785,797,376,997.12/2,795,899.20
  6. Step 6: Final answer
    x = 1,354,053.60

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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.