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Finding the Fourth Proportional to 750,863.92, 1,036,203.96 and 411,309.76

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Solution

The fourth proportional to 750,863.92, 1,036,203.96 and 411,309.76 is: 567,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,863.92 : 1,036,203.96 = 411,309.76 : x
  2. Step 2: Convert to fraction form
    750,863.92/1,036,203.96 = 411,309.76/x
  3. Step 3: Cross multiply
    750,863.92x = 1,036,203.96 × 411,309.76
  4. Step 4: Simplify right side
    750,863.92x = 426,200,802,098.65
  5. Step 5: Solve for x
    x = 426,200,802,098.65/750,863.92
  6. Step 6: Final answer
    x = 567,613.91

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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.