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Finding the Fourth Proportional to 492,694.52, 738,812.08 and 255,973.64

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Solution

The fourth proportional to 492,694.52, 738,812.08 and 255,973.64 is: 383,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,694.52 : 738,812.08 = 255,973.64 : x
  2. Step 2: Convert to fraction form
    492,694.52/738,812.08 = 255,973.64/x
  3. Step 3: Cross multiply
    492,694.52x = 738,812.08 × 255,973.64
  4. Step 4: Simplify right side
    492,694.52x = 189,116,417,393.57
  5. Step 5: Solve for x
    x = 189,116,417,393.57/492,694.52
  6. Step 6: Final answer
    x = 383,841.12

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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.