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Finding the Fourth Proportional to 477,375.26, 716,063.78 and 122,390.52

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Solution

The fourth proportional to 477,375.26, 716,063.78 and 122,390.52 is: 183,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,375.26 : 716,063.78 = 122,390.52 : x
  2. Step 2: Convert to fraction form
    477,375.26/716,063.78 = 122,390.52/x
  3. Step 3: Cross multiply
    477,375.26x = 716,063.78 × 122,390.52
  4. Step 4: Simplify right side
    477,375.26x = 87,639,418,387.37
  5. Step 5: Solve for x
    x = 87,639,418,387.37/477,375.26
  6. Step 6: Final answer
    x = 183,586.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.