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Finding the Fourth Proportional to 592,659.54, 817,870.14 and 320,727.42

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Solution

The fourth proportional to 592,659.54, 817,870.14 and 320,727.42 is: 442,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,659.54 : 817,870.14 = 320,727.42 : x
  2. Step 2: Convert to fraction form
    592,659.54/817,870.14 = 320,727.42/x
  3. Step 3: Cross multiply
    592,659.54x = 817,870.14 × 320,727.42
  4. Step 4: Simplify right side
    592,659.54x = 262,313,379,897.24
  5. Step 5: Solve for x
    x = 262,313,379,897.24/592,659.54
  6. Step 6: Final answer
    x = 442,603.83

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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.