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Finding the Fourth Proportional to 348,302.34, 480,662.64 and 195,374.48

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Solution

The fourth proportional to 348,302.34, 480,662.64 and 195,374.48 is: 269,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,302.34 : 480,662.64 = 195,374.48 : x
  2. Step 2: Convert to fraction form
    348,302.34/480,662.64 = 195,374.48/x
  3. Step 3: Cross multiply
    348,302.34x = 480,662.64 × 195,374.48
  4. Step 4: Simplify right side
    348,302.34x = 93,909,210,942.11
  5. Step 5: Solve for x
    x = 93,909,210,942.11/348,302.34
  6. Step 6: Final answer
    x = 269,619.81

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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.