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Finding the Fourth Proportional to 540,752.96, 811,131.22 and 203,703.16

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Solution

The fourth proportional to 540,752.96, 811,131.22 and 203,703.16 is: 305,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,752.96 : 811,131.22 = 203,703.16 : x
  2. Step 2: Convert to fraction form
    540,752.96/811,131.22 = 203,703.16/x
  3. Step 3: Cross multiply
    540,752.96x = 811,131.22 × 203,703.16
  4. Step 4: Simplify right side
    540,752.96x = 165,229,987,614.48
  5. Step 5: Solve for x
    x = 165,229,987,614.48/540,752.96
  6. Step 6: Final answer
    x = 305,555.40

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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.