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Finding the Fourth Proportional to 364,664.40, 546,713.36 and 236,309.54

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Solution

The fourth proportional to 364,664.40, 546,713.36 and 236,309.54 is: 354,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,664.40 : 546,713.36 = 236,309.54 : x
  2. Step 2: Convert to fraction form
    364,664.40/546,713.36 = 236,309.54/x
  3. Step 3: Cross multiply
    364,664.40x = 546,713.36 × 236,309.54
  4. Step 4: Simplify right side
    364,664.40x = 129,193,578,698.34
  5. Step 5: Solve for x
    x = 129,193,578,698.34/364,664.40
  6. Step 6: Final answer
    x = 354,280.75

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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.