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Finding the Fourth Proportional to 347,265.33, 520,918.16 and 134,034.45

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Solution

The fourth proportional to 347,265.33, 520,918.16 and 134,034.45 is: 201,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,265.33 : 520,918.16 = 134,034.45 : x
  2. Step 2: Convert to fraction form
    347,265.33/520,918.16 = 134,034.45/x
  3. Step 3: Cross multiply
    347,265.33x = 520,918.16 × 134,034.45
  4. Step 4: Simplify right side
    347,265.33x = 69,820,976,447.00
  5. Step 5: Solve for x
    x = 69,820,976,447.00/347,265.33
  6. Step 6: Final answer
    x = 201,059.45

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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.