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Finding the Fourth Proportional to 500,753.92, 750,625.44 and 313,896.64

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Solution

The fourth proportional to 500,753.92, 750,625.44 and 313,896.64 is: 470,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,753.92 : 750,625.44 = 313,896.64 : x
  2. Step 2: Convert to fraction form
    500,753.92/750,625.44 = 313,896.64/x
  3. Step 3: Cross multiply
    500,753.92x = 750,625.44 × 313,896.64
  4. Step 4: Simplify right side
    500,753.92x = 235,618,803,514.52
  5. Step 5: Solve for x
    x = 235,618,803,514.52/500,753.92
  6. Step 6: Final answer
    x = 470,528.13

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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.