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Finding the Fourth Proportional to 400,367.30, 600,716.78 and 175,611.74

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Solution

The fourth proportional to 400,367.30, 600,716.78 and 175,611.74 is: 263,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,367.30 : 600,716.78 = 175,611.74 : x
  2. Step 2: Convert to fraction form
    400,367.30/600,716.78 = 175,611.74/x
  3. Step 3: Cross multiply
    400,367.30x = 600,716.78 × 175,611.74
  4. Step 4: Simplify right side
    400,367.30x = 105,492,915,101.36
  5. Step 5: Solve for x
    x = 105,492,915,101.36/400,367.30
  6. Step 6: Final answer
    x = 263,490.34

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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.