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Finding the Fourth Proportional to 630,694.44, 946,184.22 and 209,986.92

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Solution

The fourth proportional to 630,694.44, 946,184.22 and 209,986.92 is: 315,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,694.44 : 946,184.22 = 209,986.92 : x
  2. Step 2: Convert to fraction form
    630,694.44/946,184.22 = 209,986.92/x
  3. Step 3: Cross multiply
    630,694.44x = 946,184.22 × 209,986.92
  4. Step 4: Simplify right side
    630,694.44x = 198,686,310,110.40
  5. Step 5: Solve for x
    x = 198,686,310,110.40/630,694.44
  6. Step 6: Final answer
    x = 315,027.84

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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.