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Finding the Fourth Proportional to 484,611.44, 668,752.43 and 269,746.89

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Solution

The fourth proportional to 484,611.44, 668,752.43 and 269,746.89 is: 372,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,611.44 : 668,752.43 = 269,746.89 : x
  2. Step 2: Convert to fraction form
    484,611.44/668,752.43 = 269,746.89/x
  3. Step 3: Cross multiply
    484,611.44x = 668,752.43 × 269,746.89
  4. Step 4: Simplify right side
    484,611.44x = 180,393,888,836.28
  5. Step 5: Solve for x
    x = 180,393,888,836.28/484,611.44
  6. Step 6: Final answer
    x = 372,244.39

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1.5x scale

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.