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Finding the Fourth Proportional to 267,389.70, 401,084.55 and 214,901.70

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Solution

The fourth proportional to 267,389.70, 401,084.55 and 214,901.70 is: 322,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,389.70 : 401,084.55 = 214,901.70 : x
  2. Step 2: Convert to fraction form
    267,389.70/401,084.55 = 214,901.70/x
  3. Step 3: Cross multiply
    267,389.70x = 401,084.55 × 214,901.70
  4. Step 4: Simplify right side
    267,389.70x = 86,193,751,638.74
  5. Step 5: Solve for x
    x = 86,193,751,638.74/267,389.70
  6. Step 6: Final answer
    x = 322,352.55

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1.5x scale

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.