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Finding the Fourth Proportional to 356,134.64, 491,462.58 and 192,790.34

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Solution

The fourth proportional to 356,134.64, 491,462.58 and 192,790.34 is: 266,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,134.64 : 491,462.58 = 192,790.34 : x
  2. Step 2: Convert to fraction form
    356,134.64/491,462.58 = 192,790.34/x
  3. Step 3: Cross multiply
    356,134.64x = 491,462.58 × 192,790.34
  4. Step 4: Simplify right side
    356,134.64x = 94,749,237,895.48
  5. Step 5: Solve for x
    x = 94,749,237,895.48/356,134.64
  6. Step 6: Final answer
    x = 266,048.92

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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.