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Finding the Fourth Proportional to 302,296.72, 417,172.96 and 173,232.64

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Solution

The fourth proportional to 302,296.72, 417,172.96 and 173,232.64 is: 239,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,296.72 : 417,172.96 = 173,232.64 : x
  2. Step 2: Convert to fraction form
    302,296.72/417,172.96 = 173,232.64/x
  3. Step 3: Cross multiply
    302,296.72x = 417,172.96 × 173,232.64
  4. Step 4: Simplify right side
    302,296.72x = 72,267,973,197.41
  5. Step 5: Solve for x
    x = 72,267,973,197.41/302,296.72
  6. Step 6: Final answer
    x = 239,063.04

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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.