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Finding the Fourth Proportional to 492,467.27, 738,662.02 and 155,518.00

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Solution

The fourth proportional to 492,467.27, 738,662.02 and 155,518.00 is: 233,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,467.27 : 738,662.02 = 155,518.00 : x
  2. Step 2: Convert to fraction form
    492,467.27/738,662.02 = 155,518.00/x
  3. Step 3: Cross multiply
    492,467.27x = 738,662.02 × 155,518.00
  4. Step 4: Simplify right side
    492,467.27x = 114,875,237,790.91
  5. Step 5: Solve for x
    x = 114,875,237,790.91/492,467.27
  6. Step 6: Final answer
    x = 233,264.72

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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.