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Finding the Fourth Proportional to 664,755.44, 917,362.14 and 362,949.44

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Solution

The fourth proportional to 664,755.44, 917,362.14 and 362,949.44 is: 500,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,755.44 : 917,362.14 = 362,949.44 : x
  2. Step 2: Convert to fraction form
    664,755.44/917,362.14 = 362,949.44/x
  3. Step 3: Cross multiply
    664,755.44x = 917,362.14 × 362,949.44
  4. Step 4: Simplify right side
    664,755.44x = 332,956,074,990.20
  5. Step 5: Solve for x
    x = 332,956,074,990.20/664,755.44
  6. Step 6: Final answer
    x = 500,870.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.