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Finding the Fourth Proportional to 394,673.95, 592,108.13 and 114,219.55

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Solution

The fourth proportional to 394,673.95, 592,108.13 and 114,219.55 is: 171,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,673.95 : 592,108.13 = 114,219.55 : x
  2. Step 2: Convert to fraction form
    394,673.95/592,108.13 = 114,219.55/x
  3. Step 3: Cross multiply
    394,673.95x = 592,108.13 × 114,219.55
  4. Step 4: Simplify right side
    394,673.95x = 67,630,324,159.94
  5. Step 5: Solve for x
    x = 67,630,324,159.94/394,673.95
  6. Step 6: Final answer
    x = 171,357.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.