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Finding the Fourth Proportional to 305,889.60, 458,834.40 and 95,548.80

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Solution

The fourth proportional to 305,889.60, 458,834.40 and 95,548.80 is: 143,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,889.60 : 458,834.40 = 95,548.80 : x
  2. Step 2: Convert to fraction form
    305,889.60/458,834.40 = 95,548.80/x
  3. Step 3: Cross multiply
    305,889.60x = 458,834.40 × 95,548.80
  4. Step 4: Simplify right side
    305,889.60x = 43,841,076,318.72
  5. Step 5: Solve for x
    x = 43,841,076,318.72/305,889.60
  6. Step 6: Final answer
    x = 143,323.20

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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.