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Finding the Fourth Proportional to 592,625.95, 817,825.97 and 320,693.82

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Solution

The fourth proportional to 592,625.95, 817,825.97 and 320,693.82 is: 442,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,625.95 : 817,825.97 = 320,693.82 : x
  2. Step 2: Convert to fraction form
    592,625.95/817,825.97 = 320,693.82/x
  3. Step 3: Cross multiply
    592,625.95x = 817,825.97 × 320,693.82
  4. Step 4: Simplify right side
    592,625.95x = 262,271,736,148.36
  5. Step 5: Solve for x
    x = 262,271,736,148.36/592,625.95
  6. Step 6: Final answer
    x = 442,558.64

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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.