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Finding the Fourth Proportional to 435,814.28, 601,180.99 and 404,988.96

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Solution

The fourth proportional to 435,814.28, 601,180.99 and 404,988.96 is: 558,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,814.28 : 601,180.99 = 404,988.96 : x
  2. Step 2: Convert to fraction form
    435,814.28/601,180.99 = 404,988.96/x
  3. Step 3: Cross multiply
    435,814.28x = 601,180.99 × 404,988.96
  4. Step 4: Simplify right side
    435,814.28x = 243,471,663,911.87
  5. Step 5: Solve for x
    x = 243,471,663,911.87/435,814.28
  6. Step 6: Final answer
    x = 558,659.22

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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.