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Finding the Fourth Proportional to 534,553.12, 737,403.68 and 330,538.82

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Solution

The fourth proportional to 534,553.12, 737,403.68 and 330,538.82 is: 455,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,553.12 : 737,403.68 = 330,538.82 : x
  2. Step 2: Convert to fraction form
    534,553.12/737,403.68 = 330,538.82/x
  3. Step 3: Cross multiply
    534,553.12x = 737,403.68 × 330,538.82
  4. Step 4: Simplify right side
    534,553.12x = 243,740,542,250.86
  5. Step 5: Solve for x
    x = 243,740,542,250.86/534,553.12
  6. Step 6: Final answer
    x = 455,970.67

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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.