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Finding the Fourth Proportional to 592,625.87, 817,825.85 and 320,693.73

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Solution

The fourth proportional to 592,625.87, 817,825.85 and 320,693.73 is: 442,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,625.87 : 817,825.85 = 320,693.73 : x
  2. Step 2: Convert to fraction form
    592,625.87/817,825.85 = 320,693.73/x
  3. Step 3: Cross multiply
    592,625.87x = 817,825.85 × 320,693.73
  4. Step 4: Simplify right side
    592,625.87x = 262,271,623,459.48
  5. Step 5: Solve for x
    x = 262,271,623,459.48/592,625.87
  6. Step 6: Final answer
    x = 442,558.51

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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.