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Finding the Fourth Proportional to 331,383.30, 496,564.65 and 246,746.40

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Solution

The fourth proportional to 331,383.30, 496,564.65 and 246,746.40 is: 369,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,383.30 : 496,564.65 = 246,746.40 : x
  2. Step 2: Convert to fraction form
    331,383.30/496,564.65 = 246,746.40/x
  3. Step 3: Cross multiply
    331,383.30x = 496,564.65 × 246,746.40
  4. Step 4: Simplify right side
    331,383.30x = 122,525,539,754.76
  5. Step 5: Solve for x
    x = 122,525,539,754.76/331,383.30
  6. Step 6: Final answer
    x = 369,739.63

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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.