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Finding the Fourth Proportional to 662,869.80, 994,303.62 and 164,233.80

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Solution

The fourth proportional to 662,869.80, 994,303.62 and 164,233.80 is: 246,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,869.80 : 994,303.62 = 164,233.80 : x
  2. Step 2: Convert to fraction form
    662,869.80/994,303.62 = 164,233.80/x
  3. Step 3: Cross multiply
    662,869.80x = 994,303.62 × 164,233.80
  4. Step 4: Simplify right side
    662,869.80x = 163,298,261,866.36
  5. Step 5: Solve for x
    x = 163,298,261,866.36/662,869.80
  6. Step 6: Final answer
    x = 246,350.43

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Similar ratio
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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.