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Finding the Fourth Proportional to 601,065.86, 901,391.21 and 174,486.03

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Solution

The fourth proportional to 601,065.86, 901,391.21 and 174,486.03 is: 261,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,065.86 : 901,391.21 = 174,486.03 : x
  2. Step 2: Convert to fraction form
    601,065.86/901,391.21 = 174,486.03/x
  3. Step 3: Cross multiply
    601,065.86x = 901,391.21 × 174,486.03
  4. Step 4: Simplify right side
    601,065.86x = 157,280,172,837.37
  5. Step 5: Solve for x
    x = 157,280,172,837.37/601,065.86
  6. Step 6: Final answer
    x = 261,668.79

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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.