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Finding the Fourth Proportional to 534,503.52, 737,676.96 and 308,157.12

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Solution

The fourth proportional to 534,503.52, 737,676.96 and 308,157.12 is: 425,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,503.52 : 737,676.96 = 308,157.12 : x
  2. Step 2: Convert to fraction form
    534,503.52/737,676.96 = 308,157.12/x
  3. Step 3: Cross multiply
    534,503.52x = 737,676.96 × 308,157.12
  4. Step 4: Simplify right side
    534,503.52x = 227,320,407,483.96
  5. Step 5: Solve for x
    x = 227,320,407,483.96/534,503.52
  6. Step 6: Final answer
    x = 425,292.63

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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.