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Finding the Fourth Proportional to 274,291.70, 411,437.55 and 174,892.55

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Solution

The fourth proportional to 274,291.70, 411,437.55 and 174,892.55 is: 262,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,291.70 : 411,437.55 = 174,892.55 : x
  2. Step 2: Convert to fraction form
    274,291.70/411,437.55 = 174,892.55/x
  3. Step 3: Cross multiply
    274,291.70x = 411,437.55 × 174,892.55
  4. Step 4: Simplify right side
    274,291.70x = 71,957,362,285.25
  5. Step 5: Solve for x
    x = 71,957,362,285.25/274,291.70
  6. Step 6: Final answer
    x = 262,338.83

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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.