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Finding the Fourth Proportional to 353,513.04, 530,352.60 and 116,855.72

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Solution

The fourth proportional to 353,513.04, 530,352.60 and 116,855.72 is: 175,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,513.04 : 530,352.60 = 116,855.72 : x
  2. Step 2: Convert to fraction form
    353,513.04/530,352.60 = 116,855.72/x
  3. Step 3: Cross multiply
    353,513.04x = 530,352.60 × 116,855.72
  4. Step 4: Simplify right side
    353,513.04x = 61,974,734,926.87
  5. Step 5: Solve for x
    x = 61,974,734,926.87/353,513.04
  6. Step 6: Final answer
    x = 175,311.03

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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.