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Finding the Fourth Proportional to 353,444.91, 530,216.60 and 113,566.03

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Solution

The fourth proportional to 353,444.91, 530,216.60 and 113,566.03 is: 170,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,444.91 : 530,216.60 = 113,566.03 : x
  2. Step 2: Convert to fraction form
    353,444.91/530,216.60 = 113,566.03/x
  3. Step 3: Cross multiply
    353,444.91x = 530,216.60 × 113,566.03
  4. Step 4: Simplify right side
    353,444.91x = 60,214,594,302.10
  5. Step 5: Solve for x
    x = 60,214,594,302.10/353,444.91
  6. Step 6: Final answer
    x = 170,364.86

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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.