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Finding the Fourth Proportional to 516,062.02, 774,141.90 and 200,543.26

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Solution

The fourth proportional to 516,062.02, 774,141.90 and 200,543.26 is: 300,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,062.02 : 774,141.90 = 200,543.26 : x
  2. Step 2: Convert to fraction form
    516,062.02/774,141.90 = 200,543.26/x
  3. Step 3: Cross multiply
    516,062.02x = 774,141.90 × 200,543.26
  4. Step 4: Simplify right side
    516,062.02x = 155,248,940,328.59
  5. Step 5: Solve for x
    x = 155,248,940,328.59/516,062.02
  6. Step 6: Final answer
    x = 300,833.88

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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.