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Finding the Fourth Proportional to 382,150.62, 573,319.88 and 190,115.72

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Solution

The fourth proportional to 382,150.62, 573,319.88 and 190,115.72 is: 285,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,150.62 : 573,319.88 = 190,115.72 : x
  2. Step 2: Convert to fraction form
    382,150.62/573,319.88 = 190,115.72/x
  3. Step 3: Cross multiply
    382,150.62x = 573,319.88 × 190,115.72
  4. Step 4: Simplify right side
    382,150.62x = 108,997,121,776.51
  5. Step 5: Solve for x
    x = 108,997,121,776.51/382,150.62
  6. Step 6: Final answer
    x = 285,220.32

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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.