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Finding the Fourth Proportional to 872,411.44, 1,308,711 and 367,023.88

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Solution

The fourth proportional to 872,411.44, 1,308,711 and 367,023.88 is: 550,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,411.44 : 1,308,711 = 367,023.88 : x
  2. Step 2: Convert to fraction form
    872,411.44/1,308,711 = 367,023.88/x
  3. Step 3: Cross multiply
    872,411.44x = 1,308,711 × 367,023.88
  4. Step 4: Simplify right side
    872,411.44x = 480,328,189,018.68
  5. Step 5: Solve for x
    x = 480,328,189,018.68/872,411.44
  6. Step 6: Final answer
    x = 550,575.30

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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.