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Finding the Fourth Proportional to 554,604.85, 831,907.28 and 180,627.85

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Solution

The fourth proportional to 554,604.85, 831,907.28 and 180,627.85 is: 270,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,604.85 : 831,907.28 = 180,627.85 : x
  2. Step 2: Convert to fraction form
    554,604.85/831,907.28 = 180,627.85/x
  3. Step 3: Cross multiply
    554,604.85x = 831,907.28 × 180,627.85
  4. Step 4: Simplify right side
    554,604.85x = 150,265,620,402.84
  5. Step 5: Solve for x
    x = 150,265,620,402.84/554,604.85
  6. Step 6: Final answer
    x = 270,941.77

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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.