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Finding the Fourth Proportional to 350,624.72, 526,075.32 and 129,026

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Solution

The fourth proportional to 350,624.72, 526,075.32 and 129,026 is: 193,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,624.72 : 526,075.32 = 129,026 : x
  2. Step 2: Convert to fraction form
    350,624.72/526,075.32 = 129,026/x
  3. Step 3: Cross multiply
    350,624.72x = 526,075.32 × 129,026
  4. Step 4: Simplify right side
    350,624.72x = 67,877,394,238.32
  5. Step 5: Solve for x
    x = 67,877,394,238.32/350,624.72
  6. Step 6: Final answer
    x = 193,589.87

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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.