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Finding the Fourth Proportional to 269,253,406.80, 403,880,110.20 and 223,336,904.40

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Solution

The fourth proportional to 269,253,406.80, 403,880,110.20 and 223,336,904.40 is: 335,005,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,253,406.80 : 403,880,110.20 = 223,336,904.40 : x
  2. Step 2: Convert to fraction form
    269,253,406.80/403,880,110.20 = 223,336,904.40/x
  3. Step 3: Cross multiply
    269,253,406.80x = 403,880,110.20 × 223,336,904.40
  4. Step 4: Simplify right side
    269,253,406.80x = 90,201,333,560,798,864
  5. Step 5: Solve for x
    x = 90,201,333,560,798,864/269,253,406.80
  6. Step 6: Final answer
    x = 335,005,356.60

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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.