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Finding the Fourth Proportional to 374,407.30, 561,295.05 and 174,622.42

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Solution

The fourth proportional to 374,407.30, 561,295.05 and 174,622.42 is: 261,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,407.30 : 561,295.05 = 174,622.42 : x
  2. Step 2: Convert to fraction form
    374,407.30/561,295.05 = 174,622.42/x
  3. Step 3: Cross multiply
    374,407.30x = 561,295.05 × 174,622.42
  4. Step 4: Simplify right side
    374,407.30x = 98,014,699,965.02
  5. Step 5: Solve for x
    x = 98,014,699,965.02/374,407.30
  6. Step 6: Final answer
    x = 261,786.30

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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.