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Finding the Fourth Proportional to 374,026.30, 561,391.80 and 196,660.60

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Solution

The fourth proportional to 374,026.30, 561,391.80 and 196,660.60 is: 295,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,026.30 : 561,391.80 = 196,660.60 : x
  2. Step 2: Convert to fraction form
    374,026.30/561,391.80 = 196,660.60/x
  3. Step 3: Cross multiply
    374,026.30x = 561,391.80 × 196,660.60
  4. Step 4: Simplify right side
    374,026.30x = 110,403,648,223.08
  5. Step 5: Solve for x
    x = 110,403,648,223.08/374,026.30
  6. Step 6: Final answer
    x = 295,176.16

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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.