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Finding the Fourth Proportional to 371,853.37, 557,816.91 and 119,070.46

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Solution

The fourth proportional to 371,853.37, 557,816.91 and 119,070.46 is: 178,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,853.37 : 557,816.91 = 119,070.46 : x
  2. Step 2: Convert to fraction form
    371,853.37/557,816.91 = 119,070.46/x
  3. Step 3: Cross multiply
    371,853.37x = 557,816.91 × 119,070.46
  4. Step 4: Simplify right side
    371,853.37x = 66,419,516,069.48
  5. Step 5: Solve for x
    x = 66,419,516,069.48/371,853.37
  6. Step 6: Final answer
    x = 178,617.49

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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.