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Finding the Fourth Proportional to 293,839.20, 440,807.40 and 125,440.20

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Solution

The fourth proportional to 293,839.20, 440,807.40 and 125,440.20 is: 188,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,839.20 : 440,807.40 = 125,440.20 : x
  2. Step 2: Convert to fraction form
    293,839.20/440,807.40 = 125,440.20/x
  3. Step 3: Cross multiply
    293,839.20x = 440,807.40 × 125,440.20
  4. Step 4: Simplify right side
    293,839.20x = 55,294,968,417.48
  5. Step 5: Solve for x
    x = 55,294,968,417.48/293,839.20
  6. Step 6: Final answer
    x = 188,181.05

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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.