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Finding the Fourth Proportional to 351,770.46, 527,648.34 and 85,532.34

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Solution

The fourth proportional to 351,770.46, 527,648.34 and 85,532.34 is: 128,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,770.46 : 527,648.34 = 85,532.34 : x
  2. Step 2: Convert to fraction form
    351,770.46/527,648.34 = 85,532.34/x
  3. Step 3: Cross multiply
    351,770.46x = 527,648.34 × 85,532.34
  4. Step 4: Simplify right side
    351,770.46x = 45,130,997,217.32
  5. Step 5: Solve for x
    x = 45,130,997,217.32/351,770.46
  6. Step 6: Final answer
    x = 128,296.72

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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.