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Finding the Fourth Proportional to 334,186.72, 501,729.36 and 330,661.60

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Solution

The fourth proportional to 334,186.72, 501,729.36 and 330,661.60 is: 496,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,186.72 : 501,729.36 = 330,661.60 : x
  2. Step 2: Convert to fraction form
    334,186.72/501,729.36 = 330,661.60/x
  3. Step 3: Cross multiply
    334,186.72x = 501,729.36 × 330,661.60
  4. Step 4: Simplify right side
    334,186.72x = 165,902,632,944.58
  5. Step 5: Solve for x
    x = 165,902,632,944.58/334,186.72
  6. Step 6: Final answer
    x = 496,436.94

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1.5x scale

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.