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Finding the Fourth Proportional to 353,745.86, 488,156.54 and 192,597.21

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Solution

The fourth proportional to 353,745.86, 488,156.54 and 192,597.21 is: 265,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,745.86 : 488,156.54 = 192,597.21 : x
  2. Step 2: Convert to fraction form
    353,745.86/488,156.54 = 192,597.21/x
  3. Step 3: Cross multiply
    353,745.86x = 488,156.54 × 192,597.21
  4. Step 4: Simplify right side
    353,745.86x = 94,017,586,684.27
  5. Step 5: Solve for x
    x = 94,017,586,684.27/353,745.86
  6. Step 6: Final answer
    x = 265,777.21

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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.