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Finding the Fourth Proportional to 357,342.08, 493,138.56 and 196,212.32

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Solution

The fourth proportional to 357,342.08, 493,138.56 and 196,212.32 is: 270,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,342.08 : 493,138.56 = 196,212.32 : x
  2. Step 2: Convert to fraction form
    357,342.08/493,138.56 = 196,212.32/x
  3. Step 3: Cross multiply
    357,342.08x = 493,138.56 × 196,212.32
  4. Step 4: Simplify right side
    357,342.08x = 96,759,860,939.06
  5. Step 5: Solve for x
    x = 96,759,860,939.06/357,342.08
  6. Step 6: Final answer
    x = 270,776.56

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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.