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Finding the Fourth Proportional to 1,163,502.56, 1,745,292 and 321,983.84

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Solution

The fourth proportional to 1,163,502.56, 1,745,292 and 321,983.84 is: 482,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,502.56 : 1,745,292 = 321,983.84 : x
  2. Step 2: Convert to fraction form
    1,163,502.56/1,745,292 = 321,983.84/x
  3. Step 3: Cross multiply
    1,163,502.56x = 1,745,292 × 321,983.84
  4. Step 4: Simplify right side
    1,163,502.56x = 561,955,820,081.28
  5. Step 5: Solve for x
    x = 561,955,820,081.28/1,163,502.56
  6. Step 6: Final answer
    x = 482,986.32

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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.