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Finding the Fourth Proportional to 484,959.48, 669,264.94 and 270,099.64

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Solution

The fourth proportional to 484,959.48, 669,264.94 and 270,099.64 is: 372,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,959.48 : 669,264.94 = 270,099.64 : x
  2. Step 2: Convert to fraction form
    484,959.48/669,264.94 = 270,099.64/x
  3. Step 3: Cross multiply
    484,959.48x = 669,264.94 × 270,099.64
  4. Step 4: Simplify right side
    484,959.48x = 180,768,219,358.62
  5. Step 5: Solve for x
    x = 180,768,219,358.62/484,959.48
  6. Step 6: Final answer
    x = 372,749.12

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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.