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Finding the Fourth Proportional to 216,062.40, 324,093.60 and 202,929.60

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Solution

The fourth proportional to 216,062.40, 324,093.60 and 202,929.60 is: 304,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,062.40 : 324,093.60 = 202,929.60 : x
  2. Step 2: Convert to fraction form
    216,062.40/324,093.60 = 202,929.60/x
  3. Step 3: Cross multiply
    216,062.40x = 324,093.60 × 202,929.60
  4. Step 4: Simplify right side
    216,062.40x = 65,768,184,610.56
  5. Step 5: Solve for x
    x = 65,768,184,610.56/216,062.40
  6. Step 6: Final answer
    x = 304,394.40

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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.