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Finding the Fourth Proportional to 436,725.44, 602,692.86 and 245,745.56

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Solution

The fourth proportional to 436,725.44, 602,692.86 and 245,745.56 is: 339,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,725.44 : 602,692.86 = 245,745.56 : x
  2. Step 2: Convert to fraction form
    436,725.44/602,692.86 = 245,745.56/x
  3. Step 3: Cross multiply
    436,725.44x = 602,692.86 × 245,745.56
  4. Step 4: Simplify right side
    436,725.44x = 148,109,094,388.70
  5. Step 5: Solve for x
    x = 148,109,094,388.70/436,725.44
  6. Step 6: Final answer
    x = 339,135.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.