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Finding the Fourth Proportional to 608,064.10, 912,096.15 and 384,115.30

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Solution

The fourth proportional to 608,064.10, 912,096.15 and 384,115.30 is: 576,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,064.10 : 912,096.15 = 384,115.30 : x
  2. Step 2: Convert to fraction form
    608,064.10/912,096.15 = 384,115.30/x
  3. Step 3: Cross multiply
    608,064.10x = 912,096.15 × 384,115.30
  4. Step 4: Simplify right side
    608,064.10x = 350,350,086,286.10
  5. Step 5: Solve for x
    x = 350,350,086,286.10/608,064.10
  6. Step 6: Final answer
    x = 576,172.95

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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.