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Finding the Fourth Proportional to 348,833.80, 522,084.30 and 243,857.80

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Solution

The fourth proportional to 348,833.80, 522,084.30 and 243,857.80 is: 364,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,833.80 : 522,084.30 = 243,857.80 : x
  2. Step 2: Convert to fraction form
    348,833.80/522,084.30 = 243,857.80/x
  3. Step 3: Cross multiply
    348,833.80x = 522,084.30 × 243,857.80
  4. Step 4: Simplify right side
    348,833.80x = 127,314,328,812.54
  5. Step 5: Solve for x
    x = 127,314,328,812.54/348,833.80
  6. Step 6: Final answer
    x = 364,971.31

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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.