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Finding the Fourth Proportional to 592,243.65, 817,293.65 and 320,311.87

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Solution

The fourth proportional to 592,243.65, 817,293.65 and 320,311.87 is: 442,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,243.65 : 817,293.65 = 320,311.87 : x
  2. Step 2: Convert to fraction form
    592,243.65/817,293.65 = 320,311.87/x
  3. Step 3: Cross multiply
    592,243.65x = 817,293.65 × 320,311.87
  4. Step 4: Simplify right side
    592,243.65x = 261,788,853,725.83
  5. Step 5: Solve for x
    x = 261,788,853,725.83/592,243.65
  6. Step 6: Final answer
    x = 442,028.98

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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.