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Finding the Fourth Proportional to 357,992.35, 494,047.19 and 222,070.10

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Solution

The fourth proportional to 357,992.35, 494,047.19 and 222,070.10 is: 306,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,992.35 : 494,047.19 = 222,070.10 : x
  2. Step 2: Convert to fraction form
    357,992.35/494,047.19 = 222,070.10/x
  3. Step 3: Cross multiply
    357,992.35x = 494,047.19 × 222,070.10
  4. Step 4: Simplify right side
    357,992.35x = 109,713,107,777.67
  5. Step 5: Solve for x
    x = 109,713,107,777.67/357,992.35
  6. Step 6: Final answer
    x = 306,467.74

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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.