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Finding the Fourth Proportional to 484,536.02, 726,004.29 and 281,562.38

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Solution

The fourth proportional to 484,536.02, 726,004.29 and 281,562.38 is: 421,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,536.02 : 726,004.29 = 281,562.38 : x
  2. Step 2: Convert to fraction form
    484,536.02/726,004.29 = 281,562.38/x
  3. Step 3: Cross multiply
    484,536.02x = 726,004.29 × 281,562.38
  4. Step 4: Simplify right side
    484,536.02x = 204,415,492,152.59
  5. Step 5: Solve for x
    x = 204,415,492,152.59/484,536.02
  6. Step 6: Final answer
    x = 421,878.84

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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.