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Finding the Fourth Proportional to 379,473.08, 569,594.77 and 190,069.16

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Solution

The fourth proportional to 379,473.08, 569,594.77 and 190,069.16 is: 285,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,473.08 : 569,594.77 = 190,069.16 : x
  2. Step 2: Convert to fraction form
    379,473.08/569,594.77 = 190,069.16/x
  3. Step 3: Cross multiply
    379,473.08x = 569,594.77 × 190,069.16
  4. Step 4: Simplify right side
    379,473.08x = 108,262,396,151.15
  5. Step 5: Solve for x
    x = 108,262,396,151.15/379,473.08
  6. Step 6: Final answer
    x = 285,296.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.