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Finding the Fourth Proportional to 607,757.40, 911,636.10 and 164,525.40

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Solution

The fourth proportional to 607,757.40, 911,636.10 and 164,525.40 is: 246,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,757.40 : 911,636.10 = 164,525.40 : x
  2. Step 2: Convert to fraction form
    607,757.40/911,636.10 = 164,525.40/x
  3. Step 3: Cross multiply
    607,757.40x = 911,636.10 × 164,525.40
  4. Step 4: Simplify right side
    607,757.40x = 149,987,294,006.94
  5. Step 5: Solve for x
    x = 149,987,294,006.94/607,757.40
  6. Step 6: Final answer
    x = 246,788.10

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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.