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Finding the Fourth Proportional to 394,051.79, 590,707.37 and 297,841.88

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Solution

The fourth proportional to 394,051.79, 590,707.37 and 297,841.88 is: 446,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,051.79 : 590,707.37 = 297,841.88 : x
  2. Step 2: Convert to fraction form
    394,051.79/590,707.37 = 297,841.88/x
  3. Step 3: Cross multiply
    394,051.79x = 590,707.37 × 297,841.88
  4. Step 4: Simplify right side
    394,051.79x = 175,937,391,401.72
  5. Step 5: Solve for x
    x = 175,937,391,401.72/394,051.79
  6. Step 6: Final answer
    x = 446,482.92

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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.