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Finding the Fourth Proportional to 569,851.19, 855,072.03 and 289,368.44

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Solution

The fourth proportional to 569,851.19, 855,072.03 and 289,368.44 is: 434,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,851.19 : 855,072.03 = 289,368.44 : x
  2. Step 2: Convert to fraction form
    569,851.19/855,072.03 = 289,368.44/x
  3. Step 3: Cross multiply
    569,851.19x = 855,072.03 × 289,368.44
  4. Step 4: Simplify right side
    569,851.19x = 247,430,859,408.73
  5. Step 5: Solve for x
    x = 247,430,859,408.73/569,851.19
  6. Step 6: Final answer
    x = 434,202.58

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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.