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Finding the Fourth Proportional to 353,528.14, 530,375.26 and 116,870.80

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Solution

The fourth proportional to 353,528.14, 530,375.26 and 116,870.80 is: 175,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,528.14 : 530,375.26 = 116,870.80 : x
  2. Step 2: Convert to fraction form
    353,528.14/530,375.26 = 116,870.80/x
  3. Step 3: Cross multiply
    353,528.14x = 530,375.26 × 116,870.80
  4. Step 4: Simplify right side
    353,528.14x = 61,985,380,936.41
  5. Step 5: Solve for x
    x = 61,985,380,936.41/353,528.14
  6. Step 6: Final answer
    x = 175,333.66

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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.