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Finding the Fourth Proportional to 554,150.90, 831,226.35 and 199,200.80

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Solution

The fourth proportional to 554,150.90, 831,226.35 and 199,200.80 is: 298,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,150.90 : 831,226.35 = 199,200.80 : x
  2. Step 2: Convert to fraction form
    554,150.90/831,226.35 = 199,200.80/x
  3. Step 3: Cross multiply
    554,150.90x = 831,226.35 × 199,200.80
  4. Step 4: Simplify right side
    554,150.90x = 165,580,953,901.08
  5. Step 5: Solve for x
    x = 165,580,953,901.08/554,150.90
  6. Step 6: Final answer
    x = 298,801.20

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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.