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Finding the Fourth Proportional to 486,274.56, 728,798.26 and 246,448.72

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Solution

The fourth proportional to 486,274.56, 728,798.26 and 246,448.72 is: 369,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,274.56 : 728,798.26 = 246,448.72 : x
  2. Step 2: Convert to fraction form
    486,274.56/728,798.26 = 246,448.72/x
  3. Step 3: Cross multiply
    486,274.56x = 728,798.26 × 246,448.72
  4. Step 4: Simplify right side
    486,274.56x = 179,611,398,315.23
  5. Step 5: Solve for x
    x = 179,611,398,315.23/486,274.56
  6. Step 6: Final answer
    x = 369,362.11

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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.