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Finding the Fourth Proportional to 371,795.77, 513,076.44 and 210,650.46

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Solution

The fourth proportional to 371,795.77, 513,076.44 and 210,650.46 is: 290,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,795.77 : 513,076.44 = 210,650.46 : x
  2. Step 2: Convert to fraction form
    371,795.77/513,076.44 = 210,650.46/x
  3. Step 3: Cross multiply
    371,795.77x = 513,076.44 × 210,650.46
  4. Step 4: Simplify right side
    371,795.77x = 108,079,788,101.16
  5. Step 5: Solve for x
    x = 108,079,788,101.16/371,795.77
  6. Step 6: Final answer
    x = 290,696.66

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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.