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Finding the Fourth Proportional to 248,433.40, 372,212.70 and 203,818.60

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Solution

The fourth proportional to 248,433.40, 372,212.70 and 203,818.60 is: 305,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433.40 : 372,212.70 = 203,818.60 : x
  2. Step 2: Convert to fraction form
    248,433.40/372,212.70 = 203,818.60/x
  3. Step 3: Cross multiply
    248,433.40x = 372,212.70 × 203,818.60
  4. Step 4: Simplify right side
    248,433.40x = 75,863,871,416.22
  5. Step 5: Solve for x
    x = 75,863,871,416.22/248,433.40
  6. Step 6: Final answer
    x = 305,369.05

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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.