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Finding the Fourth Proportional to 267,506.21, 401,226.51 and 155,247.50

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Solution

The fourth proportional to 267,506.21, 401,226.51 and 155,247.50 is: 232,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,506.21 : 401,226.51 = 155,247.50 : x
  2. Step 2: Convert to fraction form
    267,506.21/401,226.51 = 155,247.50/x
  3. Step 3: Cross multiply
    267,506.21x = 401,226.51 × 155,247.50
  4. Step 4: Simplify right side
    267,506.21x = 62,289,412,611.23
  5. Step 5: Solve for x
    x = 62,289,412,611.23/267,506.21
  6. Step 6: Final answer
    x = 232,852.21

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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.