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Finding the Fourth Proportional to 445,784.00, 615,181.91 and 254,801.50

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Solution

The fourth proportional to 445,784.00, 615,181.91 and 254,801.50 is: 351,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,784.00 : 615,181.91 = 254,801.50 : x
  2. Step 2: Convert to fraction form
    445,784.00/615,181.91 = 254,801.50/x
  3. Step 3: Cross multiply
    445,784.00x = 615,181.91 × 254,801.50
  4. Step 4: Simplify right side
    445,784.00x = 156,749,272,539.91
  5. Step 5: Solve for x
    x = 156,749,272,539.91/445,784.00
  6. Step 6: Final answer
    x = 351,626.06

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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.