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Finding the Fourth Proportional to 374,443.60, 561,665.40 and 164,491.60

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Solution

The fourth proportional to 374,443.60, 561,665.40 and 164,491.60 is: 246,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,443.60 : 561,665.40 = 164,491.60 : x
  2. Step 2: Convert to fraction form
    374,443.60/561,665.40 = 164,491.60/x
  3. Step 3: Cross multiply
    374,443.60x = 561,665.40 × 164,491.60
  4. Step 4: Simplify right side
    374,443.60x = 92,389,240,310.64
  5. Step 5: Solve for x
    x = 92,389,240,310.64/374,443.60
  6. Step 6: Final answer
    x = 246,737.40

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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.