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Finding the Fourth Proportional to 2,948,804.84, 4,069,481.64 and 1,659,728.72

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Solution

The fourth proportional to 2,948,804.84, 4,069,481.64 and 1,659,728.72 is: 2,290,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,804.84 : 4,069,481.64 = 1,659,728.72 : x
  2. Step 2: Convert to fraction form
    2,948,804.84/4,069,481.64 = 1,659,728.72/x
  3. Step 3: Cross multiply
    2,948,804.84x = 4,069,481.64 × 1,659,728.72
  4. Step 4: Simplify right side
    2,948,804.84x = 6,754,235,553,420.70
  5. Step 5: Solve for x
    x = 6,754,235,553,420.70/2,948,804.84
  6. Step 6: Final answer
    x = 2,290,499.34

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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.