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Finding the Fourth Proportional to 384,368.39, 576,554.63 and 252,086.33

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Solution

The fourth proportional to 384,368.39, 576,554.63 and 252,086.33 is: 378,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,368.39 : 576,554.63 = 252,086.33 : x
  2. Step 2: Convert to fraction form
    384,368.39/576,554.63 = 252,086.33/x
  3. Step 3: Cross multiply
    384,368.39x = 576,554.63 × 252,086.33
  4. Step 4: Simplify right side
    384,368.39x = 145,341,540,721.21
  5. Step 5: Solve for x
    x = 145,341,540,721.21/384,368.39
  6. Step 6: Final answer
    x = 378,130.84

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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.