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Finding the Fourth Proportional to 567,000.40, 851,156.70 and 327,305.20

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Solution

The fourth proportional to 567,000.40, 851,156.70 and 327,305.20 is: 491,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,000.40 : 851,156.70 = 327,305.20 : x
  2. Step 2: Convert to fraction form
    567,000.40/851,156.70 = 327,305.20/x
  3. Step 3: Cross multiply
    567,000.40x = 851,156.70 × 327,305.20
  4. Step 4: Simplify right side
    567,000.40x = 278,588,013,924.84
  5. Step 5: Solve for x
    x = 278,588,013,924.84/567,000.40
  6. Step 6: Final answer
    x = 491,336.54

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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.