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Finding the Fourth Proportional to 404,313.40, 606,470.10 and 246,849.40

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Solution

The fourth proportional to 404,313.40, 606,470.10 and 246,849.40 is: 370,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,313.40 : 606,470.10 = 246,849.40 : x
  2. Step 2: Convert to fraction form
    404,313.40/606,470.10 = 246,849.40/x
  3. Step 3: Cross multiply
    404,313.40x = 606,470.10 × 246,849.40
  4. Step 4: Simplify right side
    404,313.40x = 149,706,780,302.94
  5. Step 5: Solve for x
    x = 149,706,780,302.94/404,313.40
  6. Step 6: Final answer
    x = 370,274.10

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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.