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Finding the Fourth Proportional to 307,590.78, 461,454.48 and 94,388.25

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Solution

The fourth proportional to 307,590.78, 461,454.48 and 94,388.25 is: 141,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,590.78 : 461,454.48 = 94,388.25 : x
  2. Step 2: Convert to fraction form
    307,590.78/461,454.48 = 94,388.25/x
  3. Step 3: Cross multiply
    307,590.78x = 461,454.48 × 94,388.25
  4. Step 4: Simplify right side
    307,590.78x = 43,555,880,821.86
  5. Step 5: Solve for x
    x = 43,555,880,821.86/307,590.78
  6. Step 6: Final answer
    x = 141,603.34

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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.