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Finding the Fourth Proportional to 519,246.10, 727,994.30 and 519,246.10

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Solution

The fourth proportional to 519,246.10, 727,994.30 and 519,246.10 is: 727,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,246.10 : 727,994.30 = 519,246.10 : x
  2. Step 2: Convert to fraction form
    519,246.10/727,994.30 = 519,246.10/x
  3. Step 3: Cross multiply
    519,246.10x = 727,994.30 × 519,246.10
  4. Step 4: Simplify right side
    519,246.10x = 378,008,201,097.23
  5. Step 5: Solve for x
    x = 378,008,201,097.23/519,246.10
  6. Step 6: Final answer
    x = 727,994.30

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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.