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Finding the Fourth Proportional to 376,917.60, 565,376.40 and 166,965.60

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Solution

The fourth proportional to 376,917.60, 565,376.40 and 166,965.60 is: 250,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,917.60 : 565,376.40 = 166,965.60 : x
  2. Step 2: Convert to fraction form
    376,917.60/565,376.40 = 166,965.60/x
  3. Step 3: Cross multiply
    376,917.60x = 565,376.40 × 166,965.60
  4. Step 4: Simplify right side
    376,917.60x = 94,398,409,851.84
  5. Step 5: Solve for x
    x = 94,398,409,851.84/376,917.60
  6. Step 6: Final answer
    x = 250,448.40

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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.