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Finding the Fourth Proportional to 293,672.60, 405,332.70 and 193,079.96

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Solution

The fourth proportional to 293,672.60, 405,332.70 and 193,079.96 is: 266,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,672.60 : 405,332.70 = 193,079.96 : x
  2. Step 2: Convert to fraction form
    293,672.60/405,332.70 = 193,079.96/x
  3. Step 3: Cross multiply
    293,672.60x = 405,332.70 × 193,079.96
  4. Step 4: Simplify right side
    293,672.60x = 78,261,621,502.69
  5. Step 5: Solve for x
    x = 78,261,621,502.69/293,672.60
  6. Step 6: Final answer
    x = 266,492.76

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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.