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Finding the Fourth Proportional to 445,636.68, 615,057.24 and 264,448.52

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Solution

The fourth proportional to 445,636.68, 615,057.24 and 264,448.52 is: 364,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,636.68 : 615,057.24 = 264,448.52 : x
  2. Step 2: Convert to fraction form
    445,636.68/615,057.24 = 264,448.52/x
  3. Step 3: Cross multiply
    445,636.68x = 615,057.24 × 264,448.52
  4. Step 4: Simplify right side
    445,636.68x = 162,650,976,833.29
  5. Step 5: Solve for x
    x = 162,650,976,833.29/445,636.68
  6. Step 6: Final answer
    x = 364,985.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.