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Finding the Fourth Proportional to 488,703.84, 674,410.41 and 297,717.23

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Solution

The fourth proportional to 488,703.84, 674,410.41 and 297,717.23 is: 410,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,703.84 : 674,410.41 = 297,717.23 : x
  2. Step 2: Convert to fraction form
    488,703.84/674,410.41 = 297,717.23/x
  3. Step 3: Cross multiply
    488,703.84x = 674,410.41 × 297,717.23
  4. Step 4: Simplify right side
    488,703.84x = 200,783,595,776.31
  5. Step 5: Solve for x
    x = 200,783,595,776.31/488,703.84
  6. Step 6: Final answer
    x = 410,849.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.