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Finding the Fourth Proportional to 273,892.40, 410,838.60 and 168,369.20

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Solution

The fourth proportional to 273,892.40, 410,838.60 and 168,369.20 is: 252,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,892.40 : 410,838.60 = 168,369.20 : x
  2. Step 2: Convert to fraction form
    273,892.40/410,838.60 = 168,369.20/x
  3. Step 3: Cross multiply
    273,892.40x = 410,838.60 × 168,369.20
  4. Step 4: Simplify right side
    273,892.40x = 69,172,566,411.12
  5. Step 5: Solve for x
    x = 69,172,566,411.12/273,892.40
  6. Step 6: Final answer
    x = 252,553.80

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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.