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Finding the Fourth Proportional to 592,406.44, 817,518.38 and 320,473.64

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Solution

The fourth proportional to 592,406.44, 817,518.38 and 320,473.64 is: 442,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,406.44 : 817,518.38 = 320,473.64 : x
  2. Step 2: Convert to fraction form
    592,406.44/817,518.38 = 320,473.64/x
  3. Step 3: Cross multiply
    592,406.44x = 817,518.38 × 320,473.64
  4. Step 4: Simplify right side
    592,406.44x = 261,993,091,005.50
  5. Step 5: Solve for x
    x = 261,993,091,005.50/592,406.44
  6. Step 6: Final answer
    x = 442,252.27

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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.