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Finding the Fourth Proportional to 492,467.52, 738,662.38 and 155,518.26

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Solution

The fourth proportional to 492,467.52, 738,662.38 and 155,518.26 is: 233,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,467.52 : 738,662.38 = 155,518.26 : x
  2. Step 2: Convert to fraction form
    492,467.52/738,662.38 = 155,518.26/x
  3. Step 3: Cross multiply
    492,467.52x = 738,662.38 × 155,518.26
  4. Step 4: Simplify right side
    492,467.52x = 114,875,488,065.06
  5. Step 5: Solve for x
    x = 114,875,488,065.06/492,467.52
  6. Step 6: Final answer
    x = 233,265.11

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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.