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Finding the Fourth Proportional to 4,800,767.22, 7,201,866.87 and 1,767,899.88

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Solution

The fourth proportional to 4,800,767.22, 7,201,866.87 and 1,767,899.88 is: 2,652,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,767.22 : 7,201,866.87 = 1,767,899.88 : x
  2. Step 2: Convert to fraction form
    4,800,767.22/7,201,866.87 = 1,767,899.88/x
  3. Step 3: Cross multiply
    4,800,767.22x = 7,201,866.87 × 1,767,899.88
  4. Step 4: Simplify right side
    4,800,767.22x = 12,732,179,575,248.97
  5. Step 5: Solve for x
    x = 12,732,179,575,248.97/4,800,767.22
  6. Step 6: Final answer
    x = 2,652,113.50

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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.