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Finding the Fourth Proportional to 477,091.77, 658,391.66 and 259,300.41

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Solution

The fourth proportional to 477,091.77, 658,391.66 and 259,300.41 is: 357,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,091.77 : 658,391.66 = 259,300.41 : x
  2. Step 2: Convert to fraction form
    477,091.77/658,391.66 = 259,300.41/x
  3. Step 3: Cross multiply
    477,091.77x = 658,391.66 × 259,300.41
  4. Step 4: Simplify right side
    477,091.77x = 170,721,227,378.58
  5. Step 5: Solve for x
    x = 170,721,227,378.58/477,091.77
  6. Step 6: Final answer
    x = 357,837.29

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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.