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Finding the Fourth Proportional to 374,447.60, 561,671.40 and 164,495.60

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Solution

The fourth proportional to 374,447.60, 561,671.40 and 164,495.60 is: 246,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,447.60 : 561,671.40 = 164,495.60 : x
  2. Step 2: Convert to fraction form
    374,447.60/561,671.40 = 164,495.60/x
  3. Step 3: Cross multiply
    374,447.60x = 561,671.40 × 164,495.60
  4. Step 4: Simplify right side
    374,447.60x = 92,392,473,945.84
  5. Step 5: Solve for x
    x = 92,392,473,945.84/374,447.60
  6. Step 6: Final answer
    x = 246,743.40

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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.