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Finding the Fourth Proportional to 581,092.96, 801,902.60 and 322,970.47

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Solution

The fourth proportional to 581,092.96, 801,902.60 and 322,970.47 is: 445,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,092.96 : 801,902.60 = 322,970.47 : x
  2. Step 2: Convert to fraction form
    581,092.96/801,902.60 = 322,970.47/x
  3. Step 3: Cross multiply
    581,092.96x = 801,902.60 × 322,970.47
  4. Step 4: Simplify right side
    581,092.96x = 258,990,859,616.22
  5. Step 5: Solve for x
    x = 258,990,859,616.22/581,092.96
  6. Step 6: Final answer
    x = 445,696.09

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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.