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Finding the Fourth Proportional to 533,957.02, 737,127.30 and 307,558.78

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Solution

The fourth proportional to 533,957.02, 737,127.30 and 307,558.78 is: 424,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,957.02 : 737,127.30 = 307,558.78 : x
  2. Step 2: Convert to fraction form
    533,957.02/737,127.30 = 307,558.78/x
  3. Step 3: Cross multiply
    533,957.02x = 737,127.30 × 307,558.78
  4. Step 4: Simplify right side
    533,957.02x = 226,709,973,092.69
  5. Step 5: Solve for x
    x = 226,709,973,092.69/533,957.02
  6. Step 6: Final answer
    x = 424,584.68

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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.