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Finding the Fourth Proportional to 6,047,978.88, 8,346,206.96 and 3,331,724.88

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Solution

The fourth proportional to 6,047,978.88, 8,346,206.96 and 3,331,724.88 is: 4,597,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,047,978.88 : 8,346,206.96 = 3,331,724.88 : x
  2. Step 2: Convert to fraction form
    6,047,978.88/8,346,206.96 = 3,331,724.88/x
  3. Step 3: Cross multiply
    6,047,978.88x = 8,346,206.96 × 3,331,724.88
  4. Step 4: Simplify right side
    6,047,978.88x = 27,807,265,382,261.16
  5. Step 5: Solve for x
    x = 27,807,265,382,261.16/6,047,978.88
  6. Step 6: Final answer
    x = 4,597,778.19

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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.