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Finding the Fourth Proportional to 322,888.70, 484,333.44 and 154,369.40

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Solution

The fourth proportional to 322,888.70, 484,333.44 and 154,369.40 is: 231,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,888.70 : 484,333.44 = 154,369.40 : x
  2. Step 2: Convert to fraction form
    322,888.70/484,333.44 = 154,369.40/x
  3. Step 3: Cross multiply
    322,888.70x = 484,333.44 × 154,369.40
  4. Step 4: Simplify right side
    322,888.70x = 74,766,262,532.74
  5. Step 5: Solve for x
    x = 74,766,262,532.74/322,888.70
  6. Step 6: Final answer
    x = 231,554.29

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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.