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Finding the Fourth Proportional to 492,090.30, 738,135.45 and 176,579.10

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Solution

The fourth proportional to 492,090.30, 738,135.45 and 176,579.10 is: 264,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,090.30 : 738,135.45 = 176,579.10 : x
  2. Step 2: Convert to fraction form
    492,090.30/738,135.45 = 176,579.10/x
  3. Step 3: Cross multiply
    492,090.30x = 738,135.45 × 176,579.10
  4. Step 4: Simplify right side
    492,090.30x = 130,339,293,439.10
  5. Step 5: Solve for x
    x = 130,339,293,439.10/492,090.30
  6. Step 6: Final answer
    x = 264,868.65

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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.