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Finding the Fourth Proportional to 492,477.71, 738,941.02 and 252,759.95

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Solution

The fourth proportional to 492,477.71, 738,941.02 and 252,759.95 is: 379,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,477.71 : 738,941.02 = 252,759.95 : x
  2. Step 2: Convert to fraction form
    492,477.71/738,941.02 = 252,759.95/x
  3. Step 3: Cross multiply
    492,477.71x = 738,941.02 × 252,759.95
  4. Step 4: Simplify right side
    492,477.71x = 186,774,695,268.15
  5. Step 5: Solve for x
    x = 186,774,695,268.15/492,477.71
  6. Step 6: Final answer
    x = 379,255.12

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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.