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Finding the Fourth Proportional to 397,336.68, 596,004.30 and 279,534.60

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Solution

The fourth proportional to 397,336.68, 596,004.30 and 279,534.60 is: 419,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,336.68 : 596,004.30 = 279,534.60 : x
  2. Step 2: Convert to fraction form
    397,336.68/596,004.30 = 279,534.60/x
  3. Step 3: Cross multiply
    397,336.68x = 596,004.30 × 279,534.60
  4. Step 4: Simplify right side
    397,336.68x = 166,603,823,598.78
  5. Step 5: Solve for x
    x = 166,603,823,598.78/397,336.68
  6. Step 6: Final answer
    x = 419,301.39

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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.