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Finding the Fourth Proportional to 364,837.80, 546,090.30 and 259,861.80

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Solution

The fourth proportional to 364,837.80, 546,090.30 and 259,861.80 is: 388,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,837.80 : 546,090.30 = 259,861.80 : x
  2. Step 2: Convert to fraction form
    364,837.80/546,090.30 = 259,861.80/x
  3. Step 3: Cross multiply
    364,837.80x = 546,090.30 × 259,861.80
  4. Step 4: Simplify right side
    364,837.80x = 141,908,008,320.54
  5. Step 5: Solve for x
    x = 141,908,008,320.54/364,837.80
  6. Step 6: Final answer
    x = 388,961.91

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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.