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Finding the Fourth Proportional to 308,875.82, 463,348.30 and 98,464.94

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Solution

The fourth proportional to 308,875.82, 463,348.30 and 98,464.94 is: 147,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,875.82 : 463,348.30 = 98,464.94 : x
  2. Step 2: Convert to fraction form
    308,875.82/463,348.30 = 98,464.94/x
  3. Step 3: Cross multiply
    308,875.82x = 463,348.30 × 98,464.94
  4. Step 4: Simplify right side
    308,875.82x = 45,623,562,558.60
  5. Step 5: Solve for x
    x = 45,623,562,558.60/308,875.82
  6. Step 6: Final answer
    x = 147,708.43

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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.