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Finding the Fourth Proportional to 348,263.68, 480,583.88 and 195,290.32

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Solution

The fourth proportional to 348,263.68, 480,583.88 and 195,290.32 is: 269,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,263.68 : 480,583.88 = 195,290.32 : x
  2. Step 2: Convert to fraction form
    348,263.68/480,583.88 = 195,290.32/x
  3. Step 3: Cross multiply
    348,263.68x = 480,583.88 × 195,290.32
  4. Step 4: Simplify right side
    348,263.68x = 93,853,379,712.04
  5. Step 5: Solve for x
    x = 93,853,379,712.04/348,263.68
  6. Step 6: Final answer
    x = 269,489.43

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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.