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Finding the Fourth Proportional to 588,919.34, 812,728.70 and 330,841.88

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Solution

The fourth proportional to 588,919.34, 812,728.70 and 330,841.88 is: 456,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,919.34 : 812,728.70 = 330,841.88 : x
  2. Step 2: Convert to fraction form
    588,919.34/812,728.70 = 330,841.88/x
  3. Step 3: Cross multiply
    588,919.34x = 812,728.70 × 330,841.88
  4. Step 4: Simplify right side
    588,919.34x = 268,884,691,037.96
  5. Step 5: Solve for x
    x = 268,884,691,037.96/588,919.34
  6. Step 6: Final answer
    x = 456,573.04

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