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Finding the Fourth Proportional to 353,592.93, 530,439.11 and 113,626.38

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Solution

The fourth proportional to 353,592.93, 530,439.11 and 113,626.38 is: 170,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,592.93 : 530,439.11 = 113,626.38 : x
  2. Step 2: Convert to fraction form
    353,592.93/530,439.11 = 113,626.38/x
  3. Step 3: Cross multiply
    353,592.93x = 530,439.11 × 113,626.38
  4. Step 4: Simplify right side
    353,592.93x = 60,271,875,879.72
  5. Step 5: Solve for x
    x = 60,271,875,879.72/353,592.93
  6. Step 6: Final answer
    x = 170,455.55

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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.