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Finding the Fourth Proportional to 264,980.17, 396,551.72 and 253,957.69

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Solution

The fourth proportional to 264,980.17, 396,551.72 and 253,957.69 is: 380,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,980.17 : 396,551.72 = 253,957.69 : x
  2. Step 2: Convert to fraction form
    264,980.17/396,551.72 = 253,957.69/x
  3. Step 3: Cross multiply
    264,980.17x = 396,551.72 × 253,957.69
  4. Step 4: Simplify right side
    264,980.17x = 100,707,357,506.94
  5. Step 5: Solve for x
    x = 100,707,357,506.94/264,980.17
  6. Step 6: Final answer
    x = 380,056.20

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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.