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Finding the Fourth Proportional to 433,388.28, 598,064.94 and 239,803.32

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Solution

The fourth proportional to 433,388.28, 598,064.94 and 239,803.32 is: 330,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,388.28 : 598,064.94 = 239,803.32 : x
  2. Step 2: Convert to fraction form
    433,388.28/598,064.94 = 239,803.32/x
  3. Step 3: Cross multiply
    433,388.28x = 598,064.94 × 239,803.32
  4. Step 4: Simplify right side
    433,388.28x = 143,417,958,187.60
  5. Step 5: Solve for x
    x = 143,417,958,187.60/433,388.28
  6. Step 6: Final answer
    x = 330,922.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.