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Finding the Fourth Proportional to 554,617.60, 831,926.40 and 180,640.60

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Solution

The fourth proportional to 554,617.60, 831,926.40 and 180,640.60 is: 270,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,617.60 : 831,926.40 = 180,640.60 : x
  2. Step 2: Convert to fraction form
    554,617.60/831,926.40 = 180,640.60/x
  3. Step 3: Cross multiply
    554,617.60x = 831,926.40 × 180,640.60
  4. Step 4: Simplify right side
    554,617.60x = 150,279,684,051.84
  5. Step 5: Solve for x
    x = 150,279,684,051.84/554,617.60
  6. Step 6: Final answer
    x = 270,960.90

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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.