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Finding the Fourth Proportional to 519,368.64, 779,375.52 and 332,514.24

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Solution

The fourth proportional to 519,368.64, 779,375.52 and 332,514.24 is: 498,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,368.64 : 779,375.52 = 332,514.24 : x
  2. Step 2: Convert to fraction form
    519,368.64/779,375.52 = 332,514.24/x
  3. Step 3: Cross multiply
    519,368.64x = 779,375.52 × 332,514.24
  4. Step 4: Simplify right side
    519,368.64x = 259,153,458,707.41
  5. Step 5: Solve for x
    x = 259,153,458,707.41/519,368.64
  6. Step 6: Final answer
    x = 498,977.87

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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.