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Finding the Fourth Proportional to 374,070.59, 561,184.80 and 121,331.46

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Solution

The fourth proportional to 374,070.59, 561,184.80 and 121,331.46 is: 182,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,070.59 : 561,184.80 = 121,331.46 : x
  2. Step 2: Convert to fraction form
    374,070.59/561,184.80 = 121,331.46/x
  3. Step 3: Cross multiply
    374,070.59x = 561,184.80 × 121,331.46
  4. Step 4: Simplify right side
    374,070.59x = 68,089,370,630.33
  5. Step 5: Solve for x
    x = 68,089,370,630.33/374,070.59
  6. Step 6: Final answer
    x = 182,022.78

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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.