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Finding the Fourth Proportional to 379,966.93, 570,107.40 and 166,624.45

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Solution

The fourth proportional to 379,966.93, 570,107.40 and 166,624.45 is: 250,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,966.93 : 570,107.40 = 166,624.45 : x
  2. Step 2: Convert to fraction form
    379,966.93/570,107.40 = 166,624.45/x
  3. Step 3: Cross multiply
    379,966.93x = 570,107.40 × 166,624.45
  4. Step 4: Simplify right side
    379,966.93x = 94,993,831,965.93
  5. Step 5: Solve for x
    x = 94,993,831,965.93/379,966.93
  6. Step 6: Final answer
    x = 250,005.53

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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.