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Finding the Fourth Proportional to 382,030.80, 573,658.20 and 303,795.60

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Solution

The fourth proportional to 382,030.80, 573,658.20 and 303,795.60 is: 456,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,030.80 : 573,658.20 = 303,795.60 : x
  2. Step 2: Convert to fraction form
    382,030.80/573,658.20 = 303,795.60/x
  3. Step 3: Cross multiply
    382,030.80x = 573,658.20 × 303,795.60
  4. Step 4: Simplify right side
    382,030.80x = 174,274,837,063.92
  5. Step 5: Solve for x
    x = 174,274,837,063.92/382,030.80
  6. Step 6: Final answer
    x = 456,180.07

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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.