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Finding the Fourth Proportional to 374,365.66, 561,516.94 and 161,124.96

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Solution

The fourth proportional to 374,365.66, 561,516.94 and 161,124.96 is: 241,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,365.66 : 561,516.94 = 161,124.96 : x
  2. Step 2: Convert to fraction form
    374,365.66/561,516.94 = 161,124.96/x
  3. Step 3: Cross multiply
    374,365.66x = 561,516.94 × 161,124.96
  4. Step 4: Simplify right side
    374,365.66x = 90,474,394,496.82
  5. Step 5: Solve for x
    x = 90,474,394,496.82/374,365.66
  6. Step 6: Final answer
    x = 241,673.86

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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.