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Finding the Fourth Proportional to 590,859.37, 886,512.42 and 231,287.20

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Solution

The fourth proportional to 590,859.37, 886,512.42 and 231,287.20 is: 347,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,859.37 : 886,512.42 = 231,287.20 : x
  2. Step 2: Convert to fraction form
    590,859.37/886,512.42 = 231,287.20/x
  3. Step 3: Cross multiply
    590,859.37x = 886,512.42 × 231,287.20
  4. Step 4: Simplify right side
    590,859.37x = 205,038,975,387.02
  5. Step 5: Solve for x
    x = 205,038,975,387.02/590,859.37
  6. Step 6: Final answer
    x = 347,018.23

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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.