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Finding the Fourth Proportional to 436,553, 602,352.42 and 255,229.37

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Solution

The fourth proportional to 436,553, 602,352.42 and 255,229.37 is: 352,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,553 : 602,352.42 = 255,229.37 : x
  2. Step 2: Convert to fraction form
    436,553/602,352.42 = 255,229.37/x
  3. Step 3: Cross multiply
    436,553x = 602,352.42 × 255,229.37
  4. Step 4: Simplify right side
    436,553x = 153,738,028,674.58
  5. Step 5: Solve for x
    x = 153,738,028,674.58/436,553
  6. Step 6: Final answer
    x = 352,163.49

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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.