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Finding the Fourth Proportional to 329,645.60, 494,542.97 and 105,018.83

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Solution

The fourth proportional to 329,645.60, 494,542.97 and 105,018.83 is: 157,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,645.60 : 494,542.97 = 105,018.83 : x
  2. Step 2: Convert to fraction form
    329,645.60/494,542.97 = 105,018.83/x
  3. Step 3: Cross multiply
    329,645.60x = 494,542.97 × 105,018.83
  4. Step 4: Simplify right side
    329,645.60x = 51,936,323,344.67
  5. Step 5: Solve for x
    x = 51,936,323,344.67/329,645.60
  6. Step 6: Final answer
    x = 157,552.00

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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.