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Finding the Fourth Proportional to 630,634.10, 945,951.15 and 620,266.10

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Solution

The fourth proportional to 630,634.10, 945,951.15 and 620,266.10 is: 930,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,634.10 : 945,951.15 = 620,266.10 : x
  2. Step 2: Convert to fraction form
    630,634.10/945,951.15 = 620,266.10/x
  3. Step 3: Cross multiply
    630,634.10x = 945,951.15 × 620,266.10
  4. Step 4: Simplify right side
    630,634.10x = 586,741,430,601.02
  5. Step 5: Solve for x
    x = 586,741,430,601.02/630,634.10
  6. Step 6: Final answer
    x = 930,399.15

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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.