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Finding the Fourth Proportional to 422,625.96, 633,705.66 and 173,482.92

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Solution

The fourth proportional to 422,625.96, 633,705.66 and 173,482.92 is: 260,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,625.96 : 633,705.66 = 173,482.92 : x
  2. Step 2: Convert to fraction form
    422,625.96/633,705.66 = 173,482.92/x
  3. Step 3: Cross multiply
    422,625.96x = 633,705.66 × 173,482.92
  4. Step 4: Simplify right side
    422,625.96x = 109,937,108,317.33
  5. Step 5: Solve for x
    x = 109,937,108,317.33/422,625.96
  6. Step 6: Final answer
    x = 260,128.62

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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.