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Finding the Fourth Proportional to 298,166.97, 411,477.93 and 162,208.56

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Solution

The fourth proportional to 298,166.97, 411,477.93 and 162,208.56 is: 223,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,166.97 : 411,477.93 = 162,208.56 : x
  2. Step 2: Convert to fraction form
    298,166.97/411,477.93 = 162,208.56/x
  3. Step 3: Cross multiply
    298,166.97x = 411,477.93 × 162,208.56
  4. Step 4: Simplify right side
    298,166.97x = 66,745,242,497.08
  5. Step 5: Solve for x
    x = 66,745,242,497.08/298,166.97
  6. Step 6: Final answer
    x = 223,851.90

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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.