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Finding the Fourth Proportional to 584,500.62, 806,623.71 and 322,855.26

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Solution

The fourth proportional to 584,500.62, 806,623.71 and 322,855.26 is: 445,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,500.62 : 806,623.71 = 322,855.26 : x
  2. Step 2: Convert to fraction form
    584,500.62/806,623.71 = 322,855.26/x
  3. Step 3: Cross multiply
    584,500.62x = 806,623.71 × 322,855.26
  4. Step 4: Simplify right side
    584,500.62x = 260,422,707,614.22
  5. Step 5: Solve for x
    x = 260,422,707,614.22/584,500.62
  6. Step 6: Final answer
    x = 445,547.36

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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.