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Finding the Fourth Proportional to 331,567.97, 496,935.77 and 141,805.13

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Solution

The fourth proportional to 331,567.97, 496,935.77 and 141,805.13 is: 212,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,567.97 : 496,935.77 = 141,805.13 : x
  2. Step 2: Convert to fraction form
    331,567.97/496,935.77 = 141,805.13/x
  3. Step 3: Cross multiply
    331,567.97x = 496,935.77 × 141,805.13
  4. Step 4: Simplify right side
    331,567.97x = 70,468,038,272.80
  5. Step 5: Solve for x
    x = 70,468,038,272.80/331,567.97
  6. Step 6: Final answer
    x = 212,529.69

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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.