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Finding the Fourth Proportional to 382,051.80, 573,689.70 and 303,816.60

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Solution

The fourth proportional to 382,051.80, 573,689.70 and 303,816.60 is: 456,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,051.80 : 573,689.70 = 303,816.60 : x
  2. Step 2: Convert to fraction form
    382,051.80/573,689.70 = 303,816.60/x
  3. Step 3: Cross multiply
    382,051.80x = 573,689.70 × 303,816.60
  4. Step 4: Simplify right side
    382,051.80x = 174,296,454,109.02
  5. Step 5: Solve for x
    x = 174,296,454,109.02/382,051.80
  6. Step 6: Final answer
    x = 456,211.58

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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.