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Finding the Fourth Proportional to 336,459.40, 504,228.30 and 274,251.40

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Solution

The fourth proportional to 336,459.40, 504,228.30 and 274,251.40 is: 411,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,459.40 : 504,228.30 = 274,251.40 : x
  2. Step 2: Convert to fraction form
    336,459.40/504,228.30 = 274,251.40/x
  3. Step 3: Cross multiply
    336,459.40x = 504,228.30 × 274,251.40
  4. Step 4: Simplify right side
    336,459.40x = 138,285,317,194.62
  5. Step 5: Solve for x
    x = 138,285,317,194.62/336,459.40
  6. Step 6: Final answer
    x = 411,001.50

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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.