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Finding the Fourth Proportional to 574,731.46, 793,154 and 320,082.64

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Solution

The fourth proportional to 574,731.46, 793,154 and 320,082.64 is: 441,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,731.46 : 793,154 = 320,082.64 : x
  2. Step 2: Convert to fraction form
    574,731.46/793,154 = 320,082.64/x
  3. Step 3: Cross multiply
    574,731.46x = 793,154 × 320,082.64
  4. Step 4: Simplify right side
    574,731.46x = 253,874,826,246.56
  5. Step 5: Solve for x
    x = 253,874,826,246.56/574,731.46
  6. Step 6: Final answer
    x = 441,727.74

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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.