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Finding the Fourth Proportional to 331,071.51, 496,611.93 and 94,414.20

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Solution

The fourth proportional to 331,071.51, 496,611.93 and 94,414.20 is: 141,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,071.51 : 496,611.93 = 94,414.20 : x
  2. Step 2: Convert to fraction form
    331,071.51/496,611.93 = 94,414.20/x
  3. Step 3: Cross multiply
    331,071.51x = 496,611.93 × 94,414.20
  4. Step 4: Simplify right side
    331,071.51x = 46,887,218,081.41
  5. Step 5: Solve for x
    x = 46,887,218,081.41/331,071.51
  6. Step 6: Final answer
    x = 141,622.63

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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.