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Finding the Fourth Proportional to 656,657.80, 984,986.70 and 183,342.40

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Solution

The fourth proportional to 656,657.80, 984,986.70 and 183,342.40 is: 275,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,657.80 : 984,986.70 = 183,342.40 : x
  2. Step 2: Convert to fraction form
    656,657.80/984,986.70 = 183,342.40/x
  3. Step 3: Cross multiply
    656,657.80x = 984,986.70 × 183,342.40
  4. Step 4: Simplify right side
    656,657.80x = 180,589,825,546.08
  5. Step 5: Solve for x
    x = 180,589,825,546.08/656,657.80
  6. Step 6: Final answer
    x = 275,013.60

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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.