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Finding the Fourth Proportional to 2,487,629.04, 3,731,464.48 and 690,652.64

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Solution

The fourth proportional to 2,487,629.04, 3,731,464.48 and 690,652.64 is: 1,035,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,629.04 : 3,731,464.48 = 690,652.64 : x
  2. Step 2: Convert to fraction form
    2,487,629.04/3,731,464.48 = 690,652.64/x
  3. Step 3: Cross multiply
    2,487,629.04x = 3,731,464.48 × 690,652.64
  4. Step 4: Simplify right side
    2,487,629.04x = 2,577,145,794,178.23
  5. Step 5: Solve for x
    x = 2,577,145,794,178.23/2,487,629.04
  6. Step 6: Final answer
    x = 1,035,984.77

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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.