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Finding the Fourth Proportional to 472,652.64, 708,771.60 and 173,055.60

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Solution

The fourth proportional to 472,652.64, 708,771.60 and 173,055.60 is: 259,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,652.64 : 708,771.60 = 173,055.60 : x
  2. Step 2: Convert to fraction form
    472,652.64/708,771.60 = 173,055.60/x
  3. Step 3: Cross multiply
    472,652.64x = 708,771.60 × 173,055.60
  4. Step 4: Simplify right side
    472,652.64x = 122,656,894,500.96
  5. Step 5: Solve for x
    x = 122,656,894,500.96/472,652.64
  6. Step 6: Final answer
    x = 259,507.48

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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.