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Finding the Fourth Proportional to 347,333.90, 521,000.85 and 169,954.70

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Solution

The fourth proportional to 347,333.90, 521,000.85 and 169,954.70 is: 254,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,333.90 : 521,000.85 = 169,954.70 : x
  2. Step 2: Convert to fraction form
    347,333.90/521,000.85 = 169,954.70/x
  3. Step 3: Cross multiply
    347,333.90x = 521,000.85 × 169,954.70
  4. Step 4: Simplify right side
    347,333.90x = 88,546,543,161.50
  5. Step 5: Solve for x
    x = 88,546,543,161.50/347,333.90
  6. Step 6: Final answer
    x = 254,932.05

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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.