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Finding the Fourth Proportional to 236,846.40, 355,269.60 and 205,051.20

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Solution

The fourth proportional to 236,846.40, 355,269.60 and 205,051.20 is: 307,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,846.40 : 355,269.60 = 205,051.20 : x
  2. Step 2: Convert to fraction form
    236,846.40/355,269.60 = 205,051.20/x
  3. Step 3: Cross multiply
    236,846.40x = 355,269.60 × 205,051.20
  4. Step 4: Simplify right side
    236,846.40x = 72,848,457,803.52
  5. Step 5: Solve for x
    x = 72,848,457,803.52/236,846.40
  6. Step 6: Final answer
    x = 307,576.80

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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.