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Finding the Fourth Proportional to 369,091.74, 509,346.58 and 199,325.85

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Solution

The fourth proportional to 369,091.74, 509,346.58 and 199,325.85 is: 275,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,091.74 : 509,346.58 = 199,325.85 : x
  2. Step 2: Convert to fraction form
    369,091.74/509,346.58 = 199,325.85/x
  3. Step 3: Cross multiply
    369,091.74x = 509,346.58 × 199,325.85
  4. Step 4: Simplify right side
    369,091.74x = 101,525,940,003.09
  5. Step 5: Solve for x
    x = 101,525,940,003.09/369,091.74
  6. Step 6: Final answer
    x = 275,069.66

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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.