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Finding the Fourth Proportional to 353,357.96, 487,549.62 and 238,850.12

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Solution

The fourth proportional to 353,357.96, 487,549.62 and 238,850.12 is: 329,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,357.96 : 487,549.62 = 238,850.12 : x
  2. Step 2: Convert to fraction form
    353,357.96/487,549.62 = 238,850.12/x
  3. Step 3: Cross multiply
    353,357.96x = 487,549.62 × 238,850.12
  4. Step 4: Simplify right side
    353,357.96x = 116,451,285,242.95
  5. Step 5: Solve for x
    x = 116,451,285,242.95/353,357.96
  6. Step 6: Final answer
    x = 329,556.14

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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.