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Finding the Fourth Proportional to 554,610.60, 831,915.90 and 180,633.60

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Solution

The fourth proportional to 554,610.60, 831,915.90 and 180,633.60 is: 270,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,610.60 : 831,915.90 = 180,633.60 : x
  2. Step 2: Convert to fraction form
    554,610.60/831,915.90 = 180,633.60/x
  3. Step 3: Cross multiply
    554,610.60x = 831,915.90 × 180,633.60
  4. Step 4: Simplify right side
    554,610.60x = 150,271,963,914.24
  5. Step 5: Solve for x
    x = 150,271,963,914.24/554,610.60
  6. Step 6: Final answer
    x = 270,950.40

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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.