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Finding the Fourth Proportional to 492,668.12, 738,674.03 and 177,084.02

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Solution

The fourth proportional to 492,668.12, 738,674.03 and 177,084.02 is: 265,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,668.12 : 738,674.03 = 177,084.02 : x
  2. Step 2: Convert to fraction form
    492,668.12/738,674.03 = 177,084.02/x
  3. Step 3: Cross multiply
    492,668.12x = 738,674.03 × 177,084.02
  4. Step 4: Simplify right side
    492,668.12x = 130,807,368,991.40
  5. Step 5: Solve for x
    x = 130,807,368,991.40/492,668.12
  6. Step 6: Final answer
    x = 265,508.08

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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.