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Finding the Fourth Proportional to 250,475.60, 374,826.50 and 155,750.39

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Solution

The fourth proportional to 250,475.60, 374,826.50 and 155,750.39 is: 233,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,475.60 : 374,826.50 = 155,750.39 : x
  2. Step 2: Convert to fraction form
    250,475.60/374,826.50 = 155,750.39/x
  3. Step 3: Cross multiply
    250,475.60x = 374,826.50 × 155,750.39
  4. Step 4: Simplify right side
    250,475.60x = 58,379,370,904.45
  5. Step 5: Solve for x
    x = 58,379,370,904.45/250,475.60
  6. Step 6: Final answer
    x = 233,074.09

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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.