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Finding the Fourth Proportional to 393,601.60, 589,527.60 and 323,617.60

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Solution

The fourth proportional to 393,601.60, 589,527.60 and 323,617.60 is: 484,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,601.60 : 589,527.60 = 323,617.60 : x
  2. Step 2: Convert to fraction form
    393,601.60/589,527.60 = 323,617.60/x
  3. Step 3: Cross multiply
    393,601.60x = 589,527.60 × 323,617.60
  4. Step 4: Simplify right side
    393,601.60x = 190,781,507,045.76
  5. Step 5: Solve for x
    x = 190,781,507,045.76/393,601.60
  6. Step 6: Final answer
    x = 484,707.14

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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.