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Finding the Fourth Proportional to 1,873,165.02, 2,582,812.83 and 1,383,842.52

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Solution

The fourth proportional to 1,873,165.02, 2,582,812.83 and 1,383,842.52 is: 1,908,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,165.02 : 2,582,812.83 = 1,383,842.52 : x
  2. Step 2: Convert to fraction form
    1,873,165.02/2,582,812.83 = 1,383,842.52/x
  3. Step 3: Cross multiply
    1,873,165.02x = 2,582,812.83 × 1,383,842.52
  4. Step 4: Simplify right side
    1,873,165.02x = 3,574,206,215,355.53
  5. Step 5: Solve for x
    x = 3,574,206,215,355.53/1,873,165.02
  6. Step 6: Final answer
    x = 1,908,110.70

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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.