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Finding the Fourth Proportional to 272,422.60, 407,856.30 and 241,318.60

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Solution

The fourth proportional to 272,422.60, 407,856.30 and 241,318.60 is: 361,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,422.60 : 407,856.30 = 241,318.60 : x
  2. Step 2: Convert to fraction form
    272,422.60/407,856.30 = 241,318.60/x
  3. Step 3: Cross multiply
    272,422.60x = 407,856.30 × 241,318.60
  4. Step 4: Simplify right side
    272,422.60x = 98,423,311,317.18
  5. Step 5: Solve for x
    x = 98,423,311,317.18/272,422.60
  6. Step 6: Final answer
    x = 361,289.08

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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.