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Finding the Fourth Proportional to 1,906,193.64, 2,630,533.64 and 1,046,736.66

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Solution

The fourth proportional to 1,906,193.64, 2,630,533.64 and 1,046,736.66 is: 1,444,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,193.64 : 2,630,533.64 = 1,046,736.66 : x
  2. Step 2: Convert to fraction form
    1,906,193.64/2,630,533.64 = 1,046,736.66/x
  3. Step 3: Cross multiply
    1,906,193.64x = 2,630,533.64 × 1,046,736.66
  4. Step 4: Simplify right side
    1,906,193.64x = 2,753,475,996,351.24
  5. Step 5: Solve for x
    x = 2,753,475,996,351.24/1,906,193.64
  6. Step 6: Final answer
    x = 1,444,489.13

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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.