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Finding the Fourth Proportional to 292,364.08, 438,680.04 and 159,044.56

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Solution

The fourth proportional to 292,364.08, 438,680.04 and 159,044.56 is: 238,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,364.08 : 438,680.04 = 159,044.56 : x
  2. Step 2: Convert to fraction form
    292,364.08/438,680.04 = 159,044.56/x
  3. Step 3: Cross multiply
    292,364.08x = 438,680.04 × 159,044.56
  4. Step 4: Simplify right side
    292,364.08x = 69,769,673,942.58
  5. Step 5: Solve for x
    x = 69,769,673,942.58/292,364.08
  6. Step 6: Final answer
    x = 238,639.69

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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.