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Finding the Fourth Proportional to 607,936.26, 911,904.40 and 164,704.26

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Solution

The fourth proportional to 607,936.26, 911,904.40 and 164,704.26 is: 247,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,936.26 : 911,904.40 = 164,704.26 : x
  2. Step 2: Convert to fraction form
    607,936.26/911,904.40 = 164,704.26/x
  3. Step 3: Cross multiply
    607,936.26x = 911,904.40 × 164,704.26
  4. Step 4: Simplify right side
    607,936.26x = 150,194,539,392.74
  5. Step 5: Solve for x
    x = 150,194,539,392.74/607,936.26
  6. Step 6: Final answer
    x = 247,056.39

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Double scale
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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.