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Finding the Fourth Proportional to 310,528.20, 465,792.30 and 231,796.20

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Solution

The fourth proportional to 310,528.20, 465,792.30 and 231,796.20 is: 347,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,528.20 : 465,792.30 = 231,796.20 : x
  2. Step 2: Convert to fraction form
    310,528.20/465,792.30 = 231,796.20/x
  3. Step 3: Cross multiply
    310,528.20x = 465,792.30 × 231,796.20
  4. Step 4: Simplify right side
    310,528.20x = 107,968,885,129.26
  5. Step 5: Solve for x
    x = 107,968,885,129.26/310,528.20
  6. Step 6: Final answer
    x = 347,694.30

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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.