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Finding the Fourth Proportional to 349,059, 523,588.50 and 112,425.60

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Solution

The fourth proportional to 349,059, 523,588.50 and 112,425.60 is: 168,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,059 : 523,588.50 = 112,425.60 : x
  2. Step 2: Convert to fraction form
    349,059/523,588.50 = 112,425.60/x
  3. Step 3: Cross multiply
    349,059x = 523,588.50 × 112,425.60
  4. Step 4: Simplify right side
    349,059x = 58,864,751,265.60
  5. Step 5: Solve for x
    x = 58,864,751,265.60/349,059
  6. Step 6: Final answer
    x = 168,638.40

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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.