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Finding the Fourth Proportional to 579,578.99, 865,146.92 and 536,840.33

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Solution

The fourth proportional to 579,578.99, 865,146.92 and 536,840.33 is: 801,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,578.99 : 865,146.92 = 536,840.33 : x
  2. Step 2: Convert to fraction form
    579,578.99/865,146.92 = 536,840.33/x
  3. Step 3: Cross multiply
    579,578.99x = 865,146.92 × 536,840.33
  4. Step 4: Simplify right side
    579,578.99x = 464,445,751,021.35
  5. Step 5: Solve for x
    x = 464,445,751,021.35/579,578.99
  6. Step 6: Final answer
    x = 801,350.23

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.