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Finding the Fourth Proportional to 484,012.60, 726,018.90 and 168,364.60

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Solution

The fourth proportional to 484,012.60, 726,018.90 and 168,364.60 is: 252,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,012.60 : 726,018.90 = 168,364.60 : x
  2. Step 2: Convert to fraction form
    484,012.60/726,018.90 = 168,364.60/x
  3. Step 3: Cross multiply
    484,012.60x = 726,018.90 × 168,364.60
  4. Step 4: Simplify right side
    484,012.60x = 122,235,881,690.94
  5. Step 5: Solve for x
    x = 122,235,881,690.94/484,012.60
  6. Step 6: Final answer
    x = 252,546.90

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Similar ratio
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1.5x scale

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.