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Finding the Fourth Proportional to 506,602.80, 759,658.77 and 206,964.36

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Solution

The fourth proportional to 506,602.80, 759,658.77 and 206,964.36 is: 310,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,602.80 : 759,658.77 = 206,964.36 : x
  2. Step 2: Convert to fraction form
    506,602.80/759,658.77 = 206,964.36/x
  3. Step 3: Cross multiply
    506,602.80x = 759,658.77 × 206,964.36
  4. Step 4: Simplify right side
    506,602.80x = 157,222,291,151.44
  5. Step 5: Solve for x
    x = 157,222,291,151.44/506,602.80
  6. Step 6: Final answer
    x = 310,346.27

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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.