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Finding the Fourth Proportional to 336,456.40, 504,223.80 and 274,248.40

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Solution

The fourth proportional to 336,456.40, 504,223.80 and 274,248.40 is: 410,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,456.40 : 504,223.80 = 274,248.40 : x
  2. Step 2: Convert to fraction form
    336,456.40/504,223.80 = 274,248.40/x
  3. Step 3: Cross multiply
    336,456.40x = 504,223.80 × 274,248.40
  4. Step 4: Simplify right side
    336,456.40x = 138,282,570,391.92
  5. Step 5: Solve for x
    x = 138,282,570,391.92/336,456.40
  6. Step 6: Final answer
    x = 410,997.00

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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.