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Finding the Fourth Proportional to 533,956.02, 737,125.92 and 307,557.78

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Solution

The fourth proportional to 533,956.02, 737,125.92 and 307,557.78 is: 424,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,956.02 : 737,125.92 = 307,557.78 : x
  2. Step 2: Convert to fraction form
    533,956.02/737,125.92 = 307,557.78/x
  3. Step 3: Cross multiply
    533,956.02x = 737,125.92 × 307,557.78
  4. Step 4: Simplify right side
    533,956.02x = 226,708,811,535.66
  5. Step 5: Solve for x
    x = 226,708,811,535.66/533,956.02
  6. Step 6: Final answer
    x = 424,583.30

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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.