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Finding the Fourth Proportional to 632,855.72, 949,162.62 and 189,623.72

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Solution

The fourth proportional to 632,855.72, 949,162.62 and 189,623.72 is: 284,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,855.72 : 949,162.62 = 189,623.72 : x
  2. Step 2: Convert to fraction form
    632,855.72/949,162.62 = 189,623.72/x
  3. Step 3: Cross multiply
    632,855.72x = 949,162.62 × 189,623.72
  4. Step 4: Simplify right side
    632,855.72x = 179,983,749,973.34
  5. Step 5: Solve for x
    x = 179,983,749,973.34/632,855.72
  6. Step 6: Final answer
    x = 284,399.34

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1.5x scale

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.