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Finding the Fourth Proportional to 269,940.90, 404,328.15 and 223,284.90

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Solution

The fourth proportional to 269,940.90, 404,328.15 and 223,284.90 is: 334,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,940.90 : 404,328.15 = 223,284.90 : x
  2. Step 2: Convert to fraction form
    269,940.90/404,328.15 = 223,284.90/x
  3. Step 3: Cross multiply
    269,940.90x = 404,328.15 × 223,284.90
  4. Step 4: Simplify right side
    269,940.90x = 90,280,370,539.94
  5. Step 5: Solve for x
    x = 90,280,370,539.94/269,940.90
  6. Step 6: Final answer
    x = 334,444.95

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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.