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Finding the Fourth Proportional to 297,706.79, 446,492.86 and 137,694.92

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Solution

The fourth proportional to 297,706.79, 446,492.86 and 137,694.92 is: 206,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,706.79 : 446,492.86 = 137,694.92 : x
  2. Step 2: Convert to fraction form
    297,706.79/446,492.86 = 137,694.92/x
  3. Step 3: Cross multiply
    297,706.79x = 446,492.86 × 137,694.92
  4. Step 4: Simplify right side
    297,706.79x = 61,479,798,573.09
  5. Step 5: Solve for x
    x = 61,479,798,573.09/297,706.79
  6. Step 6: Final answer
    x = 206,511.24

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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.