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Finding the Fourth Proportional to 481,969.32, 722,949.93 and 145,008.24

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Solution

The fourth proportional to 481,969.32, 722,949.93 and 145,008.24 is: 217,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,969.32 : 722,949.93 = 145,008.24 : x
  2. Step 2: Convert to fraction form
    481,969.32/722,949.93 = 145,008.24/x
  3. Step 3: Cross multiply
    481,969.32x = 722,949.93 × 145,008.24
  4. Step 4: Simplify right side
    481,969.32x = 104,833,696,957.42
  5. Step 5: Solve for x
    x = 104,833,696,957.42/481,969.32
  6. Step 6: Final answer
    x = 217,511.14

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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.