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Finding the Fourth Proportional to 302,358.33, 417,257.63 and 173,294.01

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Solution

The fourth proportional to 302,358.33, 417,257.63 and 173,294.01 is: 239,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,358.33 : 417,257.63 = 173,294.01 : x
  2. Step 2: Convert to fraction form
    302,358.33/417,257.63 = 173,294.01/x
  3. Step 3: Cross multiply
    302,358.33x = 417,257.63 × 173,294.01
  4. Step 4: Simplify right side
    302,358.33x = 72,308,247,039.33
  5. Step 5: Solve for x
    x = 72,308,247,039.33/302,358.33
  6. Step 6: Final answer
    x = 239,147.53

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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.