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Finding the Fourth Proportional to 517,465.40, 776,198.10 and 180,394.03

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Solution

The fourth proportional to 517,465.40, 776,198.10 and 180,394.03 is: 270,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,465.40 : 776,198.10 = 180,394.03 : x
  2. Step 2: Convert to fraction form
    517,465.40/776,198.10 = 180,394.03/x
  3. Step 3: Cross multiply
    517,465.40x = 776,198.10 × 180,394.03
  4. Step 4: Simplify right side
    517,465.40x = 140,021,499,456.35
  5. Step 5: Solve for x
    x = 140,021,499,456.35/517,465.40
  6. Step 6: Final answer
    x = 270,591.04

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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.