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Finding the Fourth Proportional to 3,178,845.02, 4,768,268.45 and 934,983.02

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Solution

The fourth proportional to 3,178,845.02, 4,768,268.45 and 934,983.02 is: 1,402,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,845.02 : 4,768,268.45 = 934,983.02 : x
  2. Step 2: Convert to fraction form
    3,178,845.02/4,768,268.45 = 934,983.02/x
  3. Step 3: Cross multiply
    3,178,845.02x = 4,768,268.45 × 934,983.02
  4. Step 4: Simplify right side
    3,178,845.02x = 4,458,250,042,797.48
  5. Step 5: Solve for x
    x = 4,458,250,042,797.48/3,178,845.02
  6. Step 6: Final answer
    x = 1,402,474.80

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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.