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Finding the Fourth Proportional to 293,468.20, 440,202.30 and 153,500.20

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Solution

The fourth proportional to 293,468.20, 440,202.30 and 153,500.20 is: 230,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,468.20 : 440,202.30 = 153,500.20 : x
  2. Step 2: Convert to fraction form
    293,468.20/440,202.30 = 153,500.20/x
  3. Step 3: Cross multiply
    293,468.20x = 440,202.30 × 153,500.20
  4. Step 4: Simplify right side
    293,468.20x = 67,571,141,090.46
  5. Step 5: Solve for x
    x = 67,571,141,090.46/293,468.20
  6. Step 6: Final answer
    x = 230,250.30

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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.