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Finding the Fourth Proportional to 519,246.60, 727,995 and 519,246.60

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Solution

The fourth proportional to 519,246.60, 727,995 and 519,246.60 is: 727,995

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,246.60 : 727,995 = 519,246.60 : x
  2. Step 2: Convert to fraction form
    519,246.60/727,995 = 519,246.60/x
  3. Step 3: Cross multiply
    519,246.60x = 727,995 × 519,246.60
  4. Step 4: Simplify right side
    519,246.60x = 378,008,928,567
  5. Step 5: Solve for x
    x = 378,008,928,567/519,246.60
  6. Step 6: Final answer
    x = 727,995

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.