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Finding the Fourth Proportional to 442,050.18, 662,520.38 and 189,033.03

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Solution

The fourth proportional to 442,050.18, 662,520.38 and 189,033.03 is: 283,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,050.18 : 662,520.38 = 189,033.03 : x
  2. Step 2: Convert to fraction form
    442,050.18/662,520.38 = 189,033.03/x
  3. Step 3: Cross multiply
    442,050.18x = 662,520.38 × 189,033.03
  4. Step 4: Simplify right side
    442,050.18x = 125,238,233,922.99
  5. Step 5: Solve for x
    x = 125,238,233,922.99/442,050.18
  6. Step 6: Final answer
    x = 283,312.26

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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.