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Finding the Fourth Proportional to 592,659.22, 817,871.75 and 320,727.04

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Solution

The fourth proportional to 592,659.22, 817,871.75 and 320,727.04 is: 442,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,659.22 : 817,871.75 = 320,727.04 : x
  2. Step 2: Convert to fraction form
    592,659.22/817,871.75 = 320,727.04/x
  3. Step 3: Cross multiply
    592,659.22x = 817,871.75 × 320,727.04
  4. Step 4: Simplify right side
    592,659.22x = 262,313,585,477.12
  5. Step 5: Solve for x
    x = 262,313,585,477.12/592,659.22
  6. Step 6: Final answer
    x = 442,604.41

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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.