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Finding the Fourth Proportional to 2,977,886.77, 4,464,652.46 and 954,979.20

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Solution

The fourth proportional to 2,977,886.77, 4,464,652.46 and 954,979.20 is: 1,431,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,886.77 : 4,464,652.46 = 954,979.20 : x
  2. Step 2: Convert to fraction form
    2,977,886.77/4,464,652.46 = 954,979.20/x
  3. Step 3: Cross multiply
    2,977,886.77x = 4,464,652.46 × 954,979.20
  4. Step 4: Simplify right side
    2,977,886.77x = 4,263,650,234,528.83
  5. Step 5: Solve for x
    x = 4,263,650,234,528.83/2,977,886.77
  6. Step 6: Final answer
    x = 1,431,770.43

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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.