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Finding the Fourth Proportional to 410,626.17, 615,939.26 and 154,506.90

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Solution

The fourth proportional to 410,626.17, 615,939.26 and 154,506.90 is: 231,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,626.17 : 615,939.26 = 154,506.90 : x
  2. Step 2: Convert to fraction form
    410,626.17/615,939.26 = 154,506.90/x
  3. Step 3: Cross multiply
    410,626.17x = 615,939.26 × 154,506.90
  4. Step 4: Simplify right side
    410,626.17x = 95,166,864,878.36
  5. Step 5: Solve for x
    x = 95,166,864,878.36/410,626.17
  6. Step 6: Final answer
    x = 231,760.35

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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.