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Finding the Fourth Proportional to 611,820.96, 844,369.96 and 370,162.88

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Solution

The fourth proportional to 611,820.96, 844,369.96 and 370,162.88 is: 510,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,820.96 : 844,369.96 = 370,162.88 : x
  2. Step 2: Convert to fraction form
    611,820.96/844,369.96 = 370,162.88/x
  3. Step 3: Cross multiply
    611,820.96x = 844,369.96 × 370,162.88
  4. Step 4: Simplify right side
    611,820.96x = 312,554,416,179.09
  5. Step 5: Solve for x
    x = 312,554,416,179.09/611,820.96
  6. Step 6: Final answer
    x = 510,859.28

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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.