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Finding the Fourth Proportional to 374,649.75, 561,826.70 and 149,968.31

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Solution

The fourth proportional to 374,649.75, 561,826.70 and 149,968.31 is: 224,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,649.75 : 561,826.70 = 149,968.31 : x
  2. Step 2: Convert to fraction form
    374,649.75/561,826.70 = 149,968.31/x
  3. Step 3: Cross multiply
    374,649.75x = 561,826.70 × 149,968.31
  4. Step 4: Simplify right side
    374,649.75x = 84,256,197,152.90
  5. Step 5: Solve for x
    x = 84,256,197,152.90/374,649.75
  6. Step 6: Final answer
    x = 224,893.24

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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.