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Finding the Fourth Proportional to 506,608.52, 699,005.31 and 302,619.52

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Solution

The fourth proportional to 506,608.52, 699,005.31 and 302,619.52 is: 417,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,608.52 : 699,005.31 = 302,619.52 : x
  2. Step 2: Convert to fraction form
    506,608.52/699,005.31 = 302,619.52/x
  3. Step 3: Cross multiply
    506,608.52x = 699,005.31 × 302,619.52
  4. Step 4: Simplify right side
    506,608.52x = 211,532,647,894.63
  5. Step 5: Solve for x
    x = 211,532,647,894.63/506,608.52
  6. Step 6: Final answer
    x = 417,546.57

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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.