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Finding the Fourth Proportional to 374,843.60, 561,390.60 and 367,326.80

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Solution

The fourth proportional to 374,843.60, 561,390.60 and 367,326.80 is: 550,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,843.60 : 561,390.60 = 367,326.80 : x
  2. Step 2: Convert to fraction form
    374,843.60/561,390.60 = 367,326.80/x
  3. Step 3: Cross multiply
    374,843.60x = 561,390.60 × 367,326.80
  4. Step 4: Simplify right side
    374,843.60x = 206,213,812,648.08
  5. Step 5: Solve for x
    x = 206,213,812,648.08/374,843.60
  6. Step 6: Final answer
    x = 550,132.94

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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.