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Finding the Fourth Proportional to 369,093.11, 509,348.48 and 199,327.23

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Solution

The fourth proportional to 369,093.11, 509,348.48 and 199,327.23 is: 275,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,093.11 : 509,348.48 = 199,327.23 : x
  2. Step 2: Convert to fraction form
    369,093.11/509,348.48 = 199,327.23/x
  3. Step 3: Cross multiply
    369,093.11x = 509,348.48 × 199,327.23
  4. Step 4: Simplify right side
    369,093.11x = 101,527,020,626.47
  5. Step 5: Solve for x
    x = 101,527,020,626.47/369,093.11
  6. Step 6: Final answer
    x = 275,071.57

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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.