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Finding the Fourth Proportional to 363,646.46, 545,501.28 and 110,983.87

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Solution

The fourth proportional to 363,646.46, 545,501.28 and 110,983.87 is: 166,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,646.46 : 545,501.28 = 110,983.87 : x
  2. Step 2: Convert to fraction form
    363,646.46/545,501.28 = 110,983.87/x
  3. Step 3: Cross multiply
    363,646.46x = 545,501.28 × 110,983.87
  4. Step 4: Simplify right side
    363,646.46x = 60,541,844,242.42
  5. Step 5: Solve for x
    x = 60,541,844,242.42/363,646.46
  6. Step 6: Final answer
    x = 166,485.45

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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.