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Finding the Fourth Proportional to 575,321.45, 862,843.73 and 175,965.66

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Solution

The fourth proportional to 575,321.45, 862,843.73 and 175,965.66 is: 263,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,321.45 : 862,843.73 = 175,965.66 : x
  2. Step 2: Convert to fraction form
    575,321.45/862,843.73 = 175,965.66/x
  3. Step 3: Cross multiply
    575,321.45x = 862,843.73 × 175,965.66
  4. Step 4: Simplify right side
    575,321.45x = 151,830,865,546.48
  5. Step 5: Solve for x
    x = 151,830,865,546.48/575,321.45
  6. Step 6: Final answer
    x = 263,906.15

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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.