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Finding the Fourth Proportional to 331,032.96, 496,638 and 94,396.32

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Solution

The fourth proportional to 331,032.96, 496,638 and 94,396.32 is: 141,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,032.96 : 496,638 = 94,396.32 : x
  2. Step 2: Convert to fraction form
    331,032.96/496,638 = 94,396.32/x
  3. Step 3: Cross multiply
    331,032.96x = 496,638 × 94,396.32
  4. Step 4: Simplify right side
    331,032.96x = 46,880,799,572.16
  5. Step 5: Solve for x
    x = 46,880,799,572.16/331,032.96
  6. Step 6: Final answer
    x = 141,619.73

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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.