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Finding the Fourth Proportional to 500,963.55, 751,536.45 and 163,910.40

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Solution

The fourth proportional to 500,963.55, 751,536.45 and 163,910.40 is: 245,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,963.55 : 751,536.45 = 163,910.40 : x
  2. Step 2: Convert to fraction form
    500,963.55/751,536.45 = 163,910.40/x
  3. Step 3: Cross multiply
    500,963.55x = 751,536.45 × 163,910.40
  4. Step 4: Simplify right side
    500,963.55x = 123,184,640,134.08
  5. Step 5: Solve for x
    x = 123,184,640,134.08/500,963.55
  6. Step 6: Final answer
    x = 245,895.42

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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.