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Finding the Fourth Proportional to 630,540.77, 945,969.57 and 181,262.46

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Solution

The fourth proportional to 630,540.77, 945,969.57 and 181,262.46 is: 271,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,540.77 : 945,969.57 = 181,262.46 : x
  2. Step 2: Convert to fraction form
    630,540.77/945,969.57 = 181,262.46/x
  3. Step 3: Cross multiply
    630,540.77x = 945,969.57 × 181,262.46
  4. Step 4: Simplify right side
    630,540.77x = 171,468,769,569.65
  5. Step 5: Solve for x
    x = 171,468,769,569.65/630,540.77
  6. Step 6: Final answer
    x = 271,939.23

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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.