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Finding the Fourth Proportional to 302,784.20, 417,842.19 and 168,648.20

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Solution

The fourth proportional to 302,784.20, 417,842.19 and 168,648.20 is: 232,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,784.20 : 417,842.19 = 168,648.20 : x
  2. Step 2: Convert to fraction form
    302,784.20/417,842.19 = 168,648.20/x
  3. Step 3: Cross multiply
    302,784.20x = 417,842.19 × 168,648.20
  4. Step 4: Simplify right side
    302,784.20x = 70,468,331,138.35
  5. Step 5: Solve for x
    x = 70,468,331,138.35/302,784.20
  6. Step 6: Final answer
    x = 232,734.51

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