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Finding the Fourth Proportional to 364,666.40, 546,716.35 and 236,311.54

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Solution

The fourth proportional to 364,666.40, 546,716.35 and 236,311.54 is: 354,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,666.40 : 546,716.35 = 236,311.54 : x
  2. Step 2: Convert to fraction form
    364,666.40/546,716.35 = 236,311.54/x
  3. Step 3: Cross multiply
    364,666.40x = 546,716.35 × 236,311.54
  4. Step 4: Simplify right side
    364,666.40x = 129,195,382,611.68
  5. Step 5: Solve for x
    x = 129,195,382,611.68/364,666.40
  6. Step 6: Final answer
    x = 354,283.76

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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.