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Finding the Fourth Proportional to 446,389.98, 669,413.64 and 190,060.05

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Solution

The fourth proportional to 446,389.98, 669,413.64 and 190,060.05 is: 285,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,389.98 : 669,413.64 = 190,060.05 : x
  2. Step 2: Convert to fraction form
    446,389.98/669,413.64 = 190,060.05/x
  3. Step 3: Cross multiply
    446,389.98x = 669,413.64 × 190,060.05
  4. Step 4: Simplify right side
    446,389.98x = 127,228,789,889.08
  5. Step 5: Solve for x
    x = 127,228,789,889.08/446,389.98
  6. Step 6: Final answer
    x = 285,017.13

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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.