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Finding the Fourth Proportional to 350,934, 526,455.72 and 114,220.68

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Solution

The fourth proportional to 350,934, 526,455.72 and 114,220.68 is: 171,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,934 : 526,455.72 = 114,220.68 : x
  2. Step 2: Convert to fraction form
    350,934/526,455.72 = 114,220.68/x
  3. Step 3: Cross multiply
    350,934x = 526,455.72 × 114,220.68
  4. Step 4: Simplify right side
    350,934x = 60,132,130,328.29
  5. Step 5: Solve for x
    x = 60,132,130,328.29/350,934
  6. Step 6: Final answer
    x = 171,348.83

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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.