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Finding the Fourth Proportional to 262,969.68, 362,972.52 and 155,577.24

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Solution

The fourth proportional to 262,969.68, 362,972.52 and 155,577.24 is: 214,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,969.68 : 362,972.52 = 155,577.24 : x
  2. Step 2: Convert to fraction form
    262,969.68/362,972.52 = 155,577.24/x
  3. Step 3: Cross multiply
    262,969.68x = 362,972.52 × 155,577.24
  4. Step 4: Simplify right side
    262,969.68x = 56,470,262,857.44
  5. Step 5: Solve for x
    x = 56,470,262,857.44/262,969.68
  6. Step 6: Final answer
    x = 214,740.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.