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Finding the Fourth Proportional to 477,619.92, 659,119.77 and 259,833.34

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Solution

The fourth proportional to 477,619.92, 659,119.77 and 259,833.34 is: 358,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,619.92 : 659,119.77 = 259,833.34 : x
  2. Step 2: Convert to fraction form
    477,619.92/659,119.77 = 259,833.34/x
  3. Step 3: Cross multiply
    477,619.92x = 659,119.77 × 259,833.34
  4. Step 4: Simplify right side
    477,619.92x = 171,261,291,299.13
  5. Step 5: Solve for x
    x = 171,261,291,299.13/477,619.92
  6. Step 6: Final answer
    x = 358,572.34

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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.