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Finding the Fourth Proportional to 369,686.70, 510,169.23 and 199,922.22

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Solution

The fourth proportional to 369,686.70, 510,169.23 and 199,922.22 is: 275,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,686.70 : 510,169.23 = 199,922.22 : x
  2. Step 2: Convert to fraction form
    369,686.70/510,169.23 = 199,922.22/x
  3. Step 3: Cross multiply
    369,686.70x = 510,169.23 × 199,922.22
  4. Step 4: Simplify right side
    369,686.70x = 101,994,165,037.29
  5. Step 5: Solve for x
    x = 101,994,165,037.29/369,686.70
  6. Step 6: Final answer
    x = 275,893.52

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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.