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Finding the Fourth Proportional to 492,597.60, 738,903.66 and 325,190.04

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Solution

The fourth proportional to 492,597.60, 738,903.66 and 325,190.04 is: 487,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,597.60 : 738,903.66 = 325,190.04 : x
  2. Step 2: Convert to fraction form
    492,597.60/738,903.66 = 325,190.04/x
  3. Step 3: Cross multiply
    492,597.60x = 738,903.66 × 325,190.04
  4. Step 4: Simplify right side
    492,597.60x = 240,284,110,751.55
  5. Step 5: Solve for x
    x = 240,284,110,751.55/492,597.60
  6. Step 6: Final answer
    x = 487,789.85

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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.