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Finding the Fourth Proportional to 374,592.96, 561,626.82 and 137,904.84

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Solution

The fourth proportional to 374,592.96, 561,626.82 and 137,904.84 is: 206,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,592.96 : 561,626.82 = 137,904.84 : x
  2. Step 2: Convert to fraction form
    374,592.96/561,626.82 = 137,904.84/x
  3. Step 3: Cross multiply
    374,592.96x = 561,626.82 × 137,904.84
  4. Step 4: Simplify right side
    374,592.96x = 77,451,056,751.81
  5. Step 5: Solve for x
    x = 77,451,056,751.81/374,592.96
  6. Step 6: Final answer
    x = 206,760.58

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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.