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Finding the Fourth Proportional to 588,806.52, 812,550.69 and 330,647.64

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Solution

The fourth proportional to 588,806.52, 812,550.69 and 330,647.64 is: 456,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,806.52 : 812,550.69 = 330,647.64 : x
  2. Step 2: Convert to fraction form
    588,806.52/812,550.69 = 330,647.64/x
  3. Step 3: Cross multiply
    588,806.52x = 812,550.69 × 330,647.64
  4. Step 4: Simplify right side
    588,806.52x = 268,667,968,028.87
  5. Step 5: Solve for x
    x = 268,667,968,028.87/588,806.52
  6. Step 6: Final answer
    x = 456,292.45

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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.