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Finding the Fourth Proportional to 592,566.70, 817,735.90 and 320,628.59

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Solution

The fourth proportional to 592,566.70, 817,735.90 and 320,628.59 is: 442,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,566.70 : 817,735.90 = 320,628.59 : x
  2. Step 2: Convert to fraction form
    592,566.70/817,735.90 = 320,628.59/x
  3. Step 3: Cross multiply
    592,566.70x = 817,735.90 × 320,628.59
  4. Step 4: Simplify right side
    592,566.70x = 262,189,508,609.38
  5. Step 5: Solve for x
    x = 262,189,508,609.38/592,566.70
  6. Step 6: Final answer
    x = 442,464.13

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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.