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Finding the Fourth Proportional to 297,943.70, 446,915.55 and 282,391.70

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Solution

The fourth proportional to 297,943.70, 446,915.55 and 282,391.70 is: 423,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,943.70 : 446,915.55 = 282,391.70 : x
  2. Step 2: Convert to fraction form
    297,943.70/446,915.55 = 282,391.70/x
  3. Step 3: Cross multiply
    297,943.70x = 446,915.55 × 282,391.70
  4. Step 4: Simplify right side
    297,943.70x = 126,205,241,920.94
  5. Step 5: Solve for x
    x = 126,205,241,920.94/297,943.70
  6. Step 6: Final answer
    x = 423,587.55

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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.