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Finding the Fourth Proportional to 484,938.98, 669,236.52 and 270,079

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Solution

The fourth proportional to 484,938.98, 669,236.52 and 270,079 is: 372,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,938.98 : 669,236.52 = 270,079 : x
  2. Step 2: Convert to fraction form
    484,938.98/669,236.52 = 270,079/x
  3. Step 3: Cross multiply
    484,938.98x = 669,236.52 × 270,079
  4. Step 4: Simplify right side
    484,938.98x = 180,746,730,085.08
  5. Step 5: Solve for x
    x = 180,746,730,085.08/484,938.98
  6. Step 6: Final answer
    x = 372,720.56

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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.