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Finding the Fourth Proportional to 577,696.78, 796,952.91 and 373,813.48

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Solution

The fourth proportional to 577,696.78, 796,952.91 and 373,813.48 is: 515,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,696.78 : 796,952.91 = 373,813.48 : x
  2. Step 2: Convert to fraction form
    577,696.78/796,952.91 = 373,813.48/x
  3. Step 3: Cross multiply
    577,696.78x = 796,952.91 × 373,813.48
  4. Step 4: Simplify right side
    577,696.78x = 297,911,740,683.23
  5. Step 5: Solve for x
    x = 297,911,740,683.23/577,696.78
  6. Step 6: Final answer
    x = 515,688.77

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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.