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Finding the Fourth Proportional to 500,837.28, 751,283.28 and 126,863.52

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Solution

The fourth proportional to 500,837.28, 751,283.28 and 126,863.52 is: 190,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,837.28 : 751,283.28 = 126,863.52 : x
  2. Step 2: Convert to fraction form
    500,837.28/751,283.28 = 126,863.52/x
  3. Step 3: Cross multiply
    500,837.28x = 751,283.28 × 126,863.52
  4. Step 4: Simplify right side
    500,837.28x = 95,310,441,417.95
  5. Step 5: Solve for x
    x = 95,310,441,417.95/500,837.28
  6. Step 6: Final answer
    x = 190,302.21

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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.