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Finding the Fourth Proportional to 474,816.30, 712,224.45 and 159,197.10

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Solution

The fourth proportional to 474,816.30, 712,224.45 and 159,197.10 is: 238,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,816.30 : 712,224.45 = 159,197.10 : x
  2. Step 2: Convert to fraction form
    474,816.30/712,224.45 = 159,197.10/x
  3. Step 3: Cross multiply
    474,816.30x = 712,224.45 × 159,197.10
  4. Step 4: Simplify right side
    474,816.30x = 113,384,066,989.10
  5. Step 5: Solve for x
    x = 113,384,066,989.10/474,816.30
  6. Step 6: Final answer
    x = 238,795.65

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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.