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Finding the Fourth Proportional to 393,270.24, 590,700.24 and 235,797.60

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Solution

The fourth proportional to 393,270.24, 590,700.24 and 235,797.60 is: 354,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,270.24 : 590,700.24 = 235,797.60 : x
  2. Step 2: Convert to fraction form
    393,270.24/590,700.24 = 235,797.60/x
  3. Step 3: Cross multiply
    393,270.24x = 590,700.24 × 235,797.60
  4. Step 4: Simplify right side
    393,270.24x = 139,285,698,911.42
  5. Step 5: Solve for x
    x = 139,285,698,911.42/393,270.24
  6. Step 6: Final answer
    x = 354,173.00

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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.