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Finding the Fourth Proportional to 324,083.40, 486,125.10 and 294,534.60

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Solution

The fourth proportional to 324,083.40, 486,125.10 and 294,534.60 is: 441,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,083.40 : 486,125.10 = 294,534.60 : x
  2. Step 2: Convert to fraction form
    324,083.40/486,125.10 = 294,534.60/x
  3. Step 3: Cross multiply
    324,083.40x = 486,125.10 × 294,534.60
  4. Step 4: Simplify right side
    324,083.40x = 143,180,661,878.46
  5. Step 5: Solve for x
    x = 143,180,661,878.46/324,083.40
  6. Step 6: Final answer
    x = 441,801.90

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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.