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Finding the Fourth Proportional to 451,382.85, 622,974.65 and 260,358.93

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Solution

The fourth proportional to 451,382.85, 622,974.65 and 260,358.93 is: 359,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,382.85 : 622,974.65 = 260,358.93 : x
  2. Step 2: Convert to fraction form
    451,382.85/622,974.65 = 260,358.93/x
  3. Step 3: Cross multiply
    451,382.85x = 622,974.65 × 260,358.93
  4. Step 4: Simplify right side
    451,382.85x = 162,197,011,989.33
  5. Step 5: Solve for x
    x = 162,197,011,989.33/451,382.85
  6. Step 6: Final answer
    x = 359,333.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.