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Finding the Fourth Proportional to 324,290.52, 486,461.70 and 113,975.64

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Solution

The fourth proportional to 324,290.52, 486,461.70 and 113,975.64 is: 170,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,290.52 : 486,461.70 = 113,975.64 : x
  2. Step 2: Convert to fraction form
    324,290.52/486,461.70 = 113,975.64/x
  3. Step 3: Cross multiply
    324,290.52x = 486,461.70 × 113,975.64
  4. Step 4: Simplify right side
    324,290.52x = 55,444,783,592.99
  5. Step 5: Solve for x
    x = 55,444,783,592.99/324,290.52
  6. Step 6: Final answer
    x = 170,972.57

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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.