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Finding the Fourth Proportional to 297,042.84, 409,940.80 and 169,715.70

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Solution

The fourth proportional to 297,042.84, 409,940.80 and 169,715.70 is: 234,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,042.84 : 409,940.80 = 169,715.70 : x
  2. Step 2: Convert to fraction form
    297,042.84/409,940.80 = 169,715.70/x
  3. Step 3: Cross multiply
    297,042.84x = 409,940.80 × 169,715.70
  4. Step 4: Simplify right side
    297,042.84x = 69,573,389,830.56
  5. Step 5: Solve for x
    x = 69,573,389,830.56/297,042.84
  6. Step 6: Final answer
    x = 234,220.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.