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Finding the Fourth Proportional to 236,768.80, 355,930.80 and 202,554.40

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Solution

The fourth proportional to 236,768.80, 355,930.80 and 202,554.40 is: 304,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,768.80 : 355,930.80 = 202,554.40 : x
  2. Step 2: Convert to fraction form
    236,768.80/355,930.80 = 202,554.40/x
  3. Step 3: Cross multiply
    236,768.80x = 355,930.80 × 202,554.40
  4. Step 4: Simplify right side
    236,768.80x = 72,095,349,635.52
  5. Step 5: Solve for x
    x = 72,095,349,635.52/236,768.80
  6. Step 6: Final answer
    x = 304,496.83

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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.