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Finding the Fourth Proportional to 501,934.60, 752,911.60 and 122,858.65

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Solution

The fourth proportional to 501,934.60, 752,911.60 and 122,858.65 is: 184,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,934.60 : 752,911.60 = 122,858.65 : x
  2. Step 2: Convert to fraction form
    501,934.60/752,911.60 = 122,858.65/x
  3. Step 3: Cross multiply
    501,934.60x = 752,911.60 × 122,858.65
  4. Step 4: Simplify right side
    501,934.60x = 92,501,702,745.34
  5. Step 5: Solve for x
    x = 92,501,702,745.34/501,934.60
  6. Step 6: Final answer
    x = 184,290.35

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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.