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Finding the Fourth Proportional to 492,382.73, 738,652.80 and 208,075.99

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Solution

The fourth proportional to 492,382.73, 738,652.80 and 208,075.99 is: 312,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,382.73 : 738,652.80 = 208,075.99 : x
  2. Step 2: Convert to fraction form
    492,382.73/738,652.80 = 208,075.99/x
  3. Step 3: Cross multiply
    492,382.73x = 738,652.80 × 208,075.99
  4. Step 4: Simplify right side
    492,382.73x = 153,695,912,626.27
  5. Step 5: Solve for x
    x = 153,695,912,626.27/492,382.73
  6. Step 6: Final answer
    x = 312,147.24

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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.