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Finding the Fourth Proportional to 296,686.45, 445,086.96 and 96,952.96

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Solution

The fourth proportional to 296,686.45, 445,086.96 and 96,952.96 is: 145,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,686.45 : 445,086.96 = 96,952.96 : x
  2. Step 2: Convert to fraction form
    296,686.45/445,086.96 = 96,952.96/x
  3. Step 3: Cross multiply
    296,686.45x = 445,086.96 × 96,952.96
  4. Step 4: Simplify right side
    296,686.45x = 43,152,498,229.40
  5. Step 5: Solve for x
    x = 43,152,498,229.40/296,686.45
  6. Step 6: Final answer
    x = 145,448.16

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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.