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Finding the Fourth Proportional to 364,124.32, 545,807.50 and 203,965.45

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Solution

The fourth proportional to 364,124.32, 545,807.50 and 203,965.45 is: 305,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,124.32 : 545,807.50 = 203,965.45 : x
  2. Step 2: Convert to fraction form
    364,124.32/545,807.50 = 203,965.45/x
  3. Step 3: Cross multiply
    364,124.32x = 545,807.50 × 203,965.45
  4. Step 4: Simplify right side
    364,124.32x = 111,325,870,476.44
  5. Step 5: Solve for x
    x = 111,325,870,476.44/364,124.32
  6. Step 6: Final answer
    x = 305,735.89

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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.