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Finding the Fourth Proportional to 605,023.76, 907,323.96 and 178,446.32

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Solution

The fourth proportional to 605,023.76, 907,323.96 and 178,446.32 is: 267,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,023.76 : 907,323.96 = 178,446.32 : x
  2. Step 2: Convert to fraction form
    605,023.76/907,323.96 = 178,446.32/x
  3. Step 3: Cross multiply
    605,023.76x = 907,323.96 × 178,446.32
  4. Step 4: Simplify right side
    605,023.76x = 161,908,621,709.83
  5. Step 5: Solve for x
    x = 161,908,621,709.83/605,023.76
  6. Step 6: Final answer
    x = 267,607.05

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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.