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Finding the Fourth Proportional to 586,930.83, 809,925.60 and 325,268.55

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Solution

The fourth proportional to 586,930.83, 809,925.60 and 325,268.55 is: 448,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,930.83 : 809,925.60 = 325,268.55 : x
  2. Step 2: Convert to fraction form
    586,930.83/809,925.60 = 325,268.55/x
  3. Step 3: Cross multiply
    586,930.83x = 809,925.60 × 325,268.55
  4. Step 4: Simplify right side
    586,930.83x = 263,443,325,519.88
  5. Step 5: Solve for x
    x = 263,443,325,519.88/586,930.83
  6. Step 6: Final answer
    x = 448,849.02

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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.