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Finding the Fourth Proportional to 336,465.40, 504,237.30 and 274,257.40

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Solution

The fourth proportional to 336,465.40, 504,237.30 and 274,257.40 is: 411,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,465.40 : 504,237.30 = 274,257.40 : x
  2. Step 2: Convert to fraction form
    336,465.40/504,237.30 = 274,257.40/x
  3. Step 3: Cross multiply
    336,465.40x = 504,237.30 × 274,257.40
  4. Step 4: Simplify right side
    336,465.40x = 138,290,810,881.02
  5. Step 5: Solve for x
    x = 138,290,810,881.02/336,465.40
  6. Step 6: Final answer
    x = 411,010.50

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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.