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Finding the Fourth Proportional to 331,036.96, 496,644 and 94,400.32

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Solution

The fourth proportional to 331,036.96, 496,644 and 94,400.32 is: 141,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,036.96 : 496,644 = 94,400.32 : x
  2. Step 2: Convert to fraction form
    331,036.96/496,644 = 94,400.32/x
  3. Step 3: Cross multiply
    331,036.96x = 496,644 × 94,400.32
  4. Step 4: Simplify right side
    331,036.96x = 46,883,352,526.08
  5. Step 5: Solve for x
    x = 46,883,352,526.08/331,036.96
  6. Step 6: Final answer
    x = 141,625.73

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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.