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Finding the Fourth Proportional to 374,254.56, 561,469.44 and 255,981.60

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Solution

The fourth proportional to 374,254.56, 561,469.44 and 255,981.60 is: 384,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,254.56 : 561,469.44 = 255,981.60 : x
  2. Step 2: Convert to fraction form
    374,254.56/561,469.44 = 255,981.60/x
  3. Step 3: Cross multiply
    374,254.56x = 561,469.44 × 255,981.60
  4. Step 4: Simplify right side
    374,254.56x = 143,725,845,602.30
  5. Step 5: Solve for x
    x = 143,725,845,602.30/374,254.56
  6. Step 6: Final answer
    x = 384,032.32

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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.