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Finding the Fourth Proportional to 484,998.20, 669,116.58 and 484,250.57

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Solution

The fourth proportional to 484,998.20, 669,116.58 and 484,250.57 is: 668,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,998.20 : 669,116.58 = 484,250.57 : x
  2. Step 2: Convert to fraction form
    484,998.20/669,116.58 = 484,250.57/x
  3. Step 3: Cross multiply
    484,998.20x = 669,116.58 × 484,250.57
  4. Step 4: Simplify right side
    484,998.20x = 324,020,081,915.87
  5. Step 5: Solve for x
    x = 324,020,081,915.87/484,998.20
  6. Step 6: Final answer
    x = 668,085.13

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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.