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Finding the Fourth Proportional to 605,864.20, 908,796.30 and 179,415.40

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Solution

The fourth proportional to 605,864.20, 908,796.30 and 179,415.40 is: 269,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,864.20 : 908,796.30 = 179,415.40 : x
  2. Step 2: Convert to fraction form
    605,864.20/908,796.30 = 179,415.40/x
  3. Step 3: Cross multiply
    605,864.20x = 908,796.30 × 179,415.40
  4. Step 4: Simplify right side
    605,864.20x = 163,052,051,683.02
  5. Step 5: Solve for x
    x = 163,052,051,683.02/605,864.20
  6. Step 6: Final answer
    x = 269,123.10

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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.