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Finding the Fourth Proportional to 374,028.30, 561,394.80 and 196,662.60

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Solution

The fourth proportional to 374,028.30, 561,394.80 and 196,662.60 is: 295,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,028.30 : 561,394.80 = 196,662.60 : x
  2. Step 2: Convert to fraction form
    374,028.30/561,394.80 = 196,662.60/x
  3. Step 3: Cross multiply
    374,028.30x = 561,394.80 × 196,662.60
  4. Step 4: Simplify right side
    374,028.30x = 110,405,360,994.48
  5. Step 5: Solve for x
    x = 110,405,360,994.48/374,028.30
  6. Step 6: Final answer
    x = 295,179.16

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1.5x scale

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.