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Finding the Fourth Proportional to 445,904.92, 615,308.16 and 264,585.61

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Solution

The fourth proportional to 445,904.92, 615,308.16 and 264,585.61 is: 365,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,904.92 : 615,308.16 = 264,585.61 : x
  2. Step 2: Convert to fraction form
    445,904.92/615,308.16 = 264,585.61/x
  3. Step 3: Cross multiply
    445,904.92x = 615,308.16 × 264,585.61
  4. Step 4: Simplify right side
    445,904.92x = 162,801,684,851.58
  5. Step 5: Solve for x
    x = 162,801,684,851.58/445,904.92
  6. Step 6: Final answer
    x = 365,104.03

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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.