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Finding the Fourth Proportional to 308,435.46, 462,699.27 and 98,080.26

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Solution

The fourth proportional to 308,435.46, 462,699.27 and 98,080.26 is: 147,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,435.46 : 462,699.27 = 98,080.26 : x
  2. Step 2: Convert to fraction form
    308,435.46/462,699.27 = 98,080.26/x
  3. Step 3: Cross multiply
    308,435.46x = 462,699.27 × 98,080.26
  4. Step 4: Simplify right side
    308,435.46x = 45,381,664,703.41
  5. Step 5: Solve for x
    x = 45,381,664,703.41/308,435.46
  6. Step 6: Final answer
    x = 147,135.04

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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.