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Finding the Fourth Proportional to 500,878.08, 751,611.96 and 185,554.80

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Solution

The fourth proportional to 500,878.08, 751,611.96 and 185,554.80 is: 278,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,878.08 : 751,611.96 = 185,554.80 : x
  2. Step 2: Convert to fraction form
    500,878.08/751,611.96 = 185,554.80/x
  3. Step 3: Cross multiply
    500,878.08x = 751,611.96 × 185,554.80
  4. Step 4: Simplify right side
    500,878.08x = 139,465,206,915.41
  5. Step 5: Solve for x
    x = 139,465,206,915.41/500,878.08
  6. Step 6: Final answer
    x = 278,441.43

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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.