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Finding the Fourth Proportional to 394,909.80, 592,364.70 and 301,597.80

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Solution

The fourth proportional to 394,909.80, 592,364.70 and 301,597.80 is: 452,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,909.80 : 592,364.70 = 301,597.80 : x
  2. Step 2: Convert to fraction form
    394,909.80/592,364.70 = 301,597.80/x
  3. Step 3: Cross multiply
    394,909.80x = 592,364.70 × 301,597.80
  4. Step 4: Simplify right side
    394,909.80x = 178,655,890,317.66
  5. Step 5: Solve for x
    x = 178,655,890,317.66/394,909.80
  6. Step 6: Final answer
    x = 452,396.70

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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.