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Finding the Fourth Proportional to 353,503.40, 530,338.11 and 116,846.05

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Solution

The fourth proportional to 353,503.40, 530,338.11 and 116,846.05 is: 175,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,503.40 : 530,338.11 = 116,846.05 : x
  2. Step 2: Convert to fraction form
    353,503.40/530,338.11 = 116,846.05/x
  3. Step 3: Cross multiply
    353,503.40x = 530,338.11 × 116,846.05
  4. Step 4: Simplify right side
    353,503.40x = 61,967,910,082.04
  5. Step 5: Solve for x
    x = 61,967,910,082.04/353,503.40
  6. Step 6: Final answer
    x = 175,296.51

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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.