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Finding the Fourth Proportional to 554,662.20, 831,993.30 and 532,889.40

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Solution

The fourth proportional to 554,662.20, 831,993.30 and 532,889.40 is: 799,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,662.20 : 831,993.30 = 532,889.40 : x
  2. Step 2: Convert to fraction form
    554,662.20/831,993.30 = 532,889.40/x
  3. Step 3: Cross multiply
    554,662.20x = 831,993.30 × 532,889.40
  4. Step 4: Simplify right side
    554,662.20x = 443,360,410,441.02
  5. Step 5: Solve for x
    x = 443,360,410,441.02/554,662.20
  6. Step 6: Final answer
    x = 799,334.10

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Double scale
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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.