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Finding the Fourth Proportional to 592,564.76, 817,733.22 and 320,626.65

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Solution

The fourth proportional to 592,564.76, 817,733.22 and 320,626.65 is: 442,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,564.76 : 817,733.22 = 320,626.65 : x
  2. Step 2: Convert to fraction form
    592,564.76/817,733.22 = 320,626.65/x
  3. Step 3: Cross multiply
    592,564.76x = 817,733.22 × 320,626.65
  4. Step 4: Simplify right side
    592,564.76x = 262,187,062,922.31
  5. Step 5: Solve for x
    x = 262,187,062,922.31/592,564.76
  6. Step 6: Final answer
    x = 442,461.45

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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.