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Finding the Fourth Proportional to 477,446.56, 716,216.60 and 173,923.20

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Solution

The fourth proportional to 477,446.56, 716,216.60 and 173,923.20 is: 260,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,446.56 : 716,216.60 = 173,923.20 : x
  2. Step 2: Convert to fraction form
    477,446.56/716,216.60 = 173,923.20/x
  3. Step 3: Cross multiply
    477,446.56x = 716,216.60 × 173,923.20
  4. Step 4: Simplify right side
    477,446.56x = 124,566,682,965.12
  5. Step 5: Solve for x
    x = 124,566,682,965.12/477,446.56
  6. Step 6: Final answer
    x = 260,901.83

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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.