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Finding the Fourth Proportional to 374,801.32, 561,810.30 and 164,261.80

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Solution

The fourth proportional to 374,801.32, 561,810.30 and 164,261.80 is: 246,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,801.32 : 561,810.30 = 164,261.80 : x
  2. Step 2: Convert to fraction form
    374,801.32/561,810.30 = 164,261.80/x
  3. Step 3: Cross multiply
    374,801.32x = 561,810.30 × 164,261.80
  4. Step 4: Simplify right side
    374,801.32x = 92,283,971,136.54
  5. Step 5: Solve for x
    x = 92,283,971,136.54/374,801.32
  6. Step 6: Final answer
    x = 246,221.04

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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.