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Finding the Fourth Proportional to 308,984.48, 463,485.04 and 98,622.08

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Solution

The fourth proportional to 308,984.48, 463,485.04 and 98,622.08 is: 147,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,984.48 : 463,485.04 = 98,622.08 : x
  2. Step 2: Convert to fraction form
    308,984.48/463,485.04 = 98,622.08/x
  3. Step 3: Cross multiply
    308,984.48x = 463,485.04 × 98,622.08
  4. Step 4: Simplify right side
    308,984.48x = 45,709,858,693.68
  5. Step 5: Solve for x
    x = 45,709,858,693.68/308,984.48
  6. Step 6: Final answer
    x = 147,935.78

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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.