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Finding the Fourth Proportional to 606,072.42, 909,021.06 and 185,235.30

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Solution

The fourth proportional to 606,072.42, 909,021.06 and 185,235.30 is: 277,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,072.42 : 909,021.06 = 185,235.30 : x
  2. Step 2: Convert to fraction form
    606,072.42/909,021.06 = 185,235.30/x
  3. Step 3: Cross multiply
    606,072.42x = 909,021.06 × 185,235.30
  4. Step 4: Simplify right side
    606,072.42x = 168,382,788,755.42
  5. Step 5: Solve for x
    x = 168,382,788,755.42/606,072.42
  6. Step 6: Final answer
    x = 277,826.19

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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.