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Finding the Fourth Proportional to 552,116.70, 828,175.05 and 384,155.10

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Solution

The fourth proportional to 552,116.70, 828,175.05 and 384,155.10 is: 576,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,116.70 : 828,175.05 = 384,155.10 : x
  2. Step 2: Convert to fraction form
    552,116.70/828,175.05 = 384,155.10/x
  3. Step 3: Cross multiply
    552,116.70x = 828,175.05 × 384,155.10
  4. Step 4: Simplify right side
    552,116.70x = 318,147,669,150.26
  5. Step 5: Solve for x
    x = 318,147,669,150.26/552,116.70
  6. Step 6: Final answer
    x = 576,232.65

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Similar ratio
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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.