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Finding the Fourth Proportional to 440,896.64, 661,615.70 and 350,404.04

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Solution

The fourth proportional to 440,896.64, 661,615.70 and 350,404.04 is: 525,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,896.64 : 661,615.70 = 350,404.04 : x
  2. Step 2: Convert to fraction form
    440,896.64/661,615.70 = 350,404.04/x
  3. Step 3: Cross multiply
    440,896.64x = 661,615.70 × 350,404.04
  4. Step 4: Simplify right side
    440,896.64x = 231,832,814,109.45
  5. Step 5: Solve for x
    x = 231,832,814,109.45/440,896.64
  6. Step 6: Final answer
    x = 525,821.24

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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.