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Finding the Fourth Proportional to 269,538.40, 404,307.60 and 186,594.40

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Solution

The fourth proportional to 269,538.40, 404,307.60 and 186,594.40 is: 279,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,538.40 : 404,307.60 = 186,594.40 : x
  2. Step 2: Convert to fraction form
    269,538.40/404,307.60 = 186,594.40/x
  3. Step 3: Cross multiply
    269,538.40x = 404,307.60 × 186,594.40
  4. Step 4: Simplify right side
    269,538.40x = 75,441,534,037.44
  5. Step 5: Solve for x
    x = 75,441,534,037.44/269,538.40
  6. Step 6: Final answer
    x = 279,891.60

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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.