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Finding the Fourth Proportional to 653,989.98, 980,975.24 and 180,664.86

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Solution

The fourth proportional to 653,989.98, 980,975.24 and 180,664.86 is: 270,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,989.98 : 980,975.24 = 180,664.86 : x
  2. Step 2: Convert to fraction form
    653,989.98/980,975.24 = 180,664.86/x
  3. Step 3: Cross multiply
    653,989.98x = 980,975.24 × 180,664.86
  4. Step 4: Simplify right side
    653,989.98x = 177,227,754,398.07
  5. Step 5: Solve for x
    x = 177,227,754,398.07/653,989.98
  6. Step 6: Final answer
    x = 270,994.60

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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.