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Finding the Fourth Proportional to 360,051.78, 496,862.73 and 198,922.26

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Solution

The fourth proportional to 360,051.78, 496,862.73 and 198,922.26 is: 274,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,051.78 : 496,862.73 = 198,922.26 : x
  2. Step 2: Convert to fraction form
    360,051.78/496,862.73 = 198,922.26/x
  3. Step 3: Cross multiply
    360,051.78x = 496,862.73 × 198,922.26
  4. Step 4: Simplify right side
    360,051.78x = 98,837,057,161.37
  5. Step 5: Solve for x
    x = 98,837,057,161.37/360,051.78
  6. Step 6: Final answer
    x = 274,507.90

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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.