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Finding the Fourth Proportional to 5,077,203.75, 7,004,837.30 and 2,900,205.63

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Solution

The fourth proportional to 5,077,203.75, 7,004,837.30 and 2,900,205.63 is: 4,001,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077,203.75 : 7,004,837.30 = 2,900,205.63 : x
  2. Step 2: Convert to fraction form
    5,077,203.75/7,004,837.30 = 2,900,205.63/x
  3. Step 3: Cross multiply
    5,077,203.75x = 7,004,837.30 × 2,900,205.63
  4. Step 4: Simplify right side
    5,077,203.75x = 20,315,468,560,192.97
  5. Step 5: Solve for x
    x = 20,315,468,560,192.97/5,077,203.75
  6. Step 6: Final answer
    x = 4,001,310.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.