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Finding the Fourth Proportional to 464,687.60, 696,129.60 and 272,096.60

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Solution

The fourth proportional to 464,687.60, 696,129.60 and 272,096.60 is: 407,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,687.60 : 696,129.60 = 272,096.60 : x
  2. Step 2: Convert to fraction form
    464,687.60/696,129.60 = 272,096.60/x
  3. Step 3: Cross multiply
    464,687.60x = 696,129.60 × 272,096.60
  4. Step 4: Simplify right side
    464,687.60x = 189,414,497,319.36
  5. Step 5: Solve for x
    x = 189,414,497,319.36/464,687.60
  6. Step 6: Final answer
    x = 407,616.85

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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.