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Finding the Fourth Proportional to 517,169,328.70, 775,753,993.05 and 517,169,328.70

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Solution

The fourth proportional to 517,169,328.70, 775,753,993.05 and 517,169,328.70 is: 775,753,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,169,328.70 : 775,753,993.05 = 517,169,328.70 : x
  2. Step 2: Convert to fraction form
    517,169,328.70/775,753,993.05 = 517,169,328.70/x
  3. Step 3: Cross multiply
    517,169,328.70x = 775,753,993.05 × 517,169,328.70
  4. Step 4: Simplify right side
    517,169,328.70x = 401,196,171,822,012,928
  5. Step 5: Solve for x
    x = 401,196,171,822,012,928/517,169,328.70
  6. Step 6: Final answer
    x = 775,753,993.05

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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.