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Finding the Fourth Proportional to 395,611.24, 545,953.36 and 234,440.16

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Solution

The fourth proportional to 395,611.24, 545,953.36 and 234,440.16 is: 323,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,611.24 : 545,953.36 = 234,440.16 : x
  2. Step 2: Convert to fraction form
    395,611.24/545,953.36 = 234,440.16/x
  3. Step 3: Cross multiply
    395,611.24x = 545,953.36 × 234,440.16
  4. Step 4: Simplify right side
    395,611.24x = 127,993,393,070.94
  5. Step 5: Solve for x
    x = 127,993,393,070.94/395,611.24
  6. Step 6: Final answer
    x = 323,533.26

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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.