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Finding the Fourth Proportional to 530,465.14, 795,863.72 and 341,139.30

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Solution

The fourth proportional to 530,465.14, 795,863.72 and 341,139.30 is: 511,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,465.14 : 795,863.72 = 341,139.30 : x
  2. Step 2: Convert to fraction form
    530,465.14/795,863.72 = 341,139.30/x
  3. Step 3: Cross multiply
    530,465.14x = 795,863.72 × 341,139.30
  4. Step 4: Simplify right side
    530,465.14x = 271,500,392,336.20
  5. Step 5: Solve for x
    x = 271,500,392,336.20/530,465.14
  6. Step 6: Final answer
    x = 511,815.71

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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.