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Finding the Fourth Proportional to 331,455.97, 497,203.60 and 103,794.16

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Solution

The fourth proportional to 331,455.97, 497,203.60 and 103,794.16 is: 155,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,455.97 : 497,203.60 = 103,794.16 : x
  2. Step 2: Convert to fraction form
    331,455.97/497,203.60 = 103,794.16/x
  3. Step 3: Cross multiply
    331,455.97x = 497,203.60 × 103,794.16
  4. Step 4: Simplify right side
    331,455.97x = 51,606,830,010.98
  5. Step 5: Solve for x
    x = 51,606,830,010.98/331,455.97
  6. Step 6: Final answer
    x = 155,697.39

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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.