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Finding the Fourth Proportional to 371,847.84, 557,771.94 and 245,458.54

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Solution

The fourth proportional to 371,847.84, 557,771.94 and 245,458.54 is: 368,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,847.84 : 557,771.94 = 245,458.54 : x
  2. Step 2: Convert to fraction form
    371,847.84/557,771.94 = 245,458.54/x
  3. Step 3: Cross multiply
    371,847.84x = 557,771.94 × 245,458.54
  4. Step 4: Simplify right side
    371,847.84x = 136,909,886,045.37
  5. Step 5: Solve for x
    x = 136,909,886,045.37/371,847.84
  6. Step 6: Final answer
    x = 368,187.93

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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.