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Finding the Fourth Proportional to 288,383.44, 432,427.48 and 153,524.12

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Solution

The fourth proportional to 288,383.44, 432,427.48 and 153,524.12 is: 230,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,383.44 : 432,427.48 = 153,524.12 : x
  2. Step 2: Convert to fraction form
    288,383.44/432,427.48 = 153,524.12/x
  3. Step 3: Cross multiply
    288,383.44x = 432,427.48 × 153,524.12
  4. Step 4: Simplify right side
    288,383.44x = 66,388,048,330.82
  5. Step 5: Solve for x
    x = 66,388,048,330.82/288,383.44
  6. Step 6: Final answer
    x = 230,207.56

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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.