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Finding the Fourth Proportional to 534,063.26, 800,807.55 and 214,054.54

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Solution

The fourth proportional to 534,063.26, 800,807.55 and 214,054.54 is: 320,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,063.26 : 800,807.55 = 214,054.54 : x
  2. Step 2: Convert to fraction form
    534,063.26/800,807.55 = 214,054.54/x
  3. Step 3: Cross multiply
    534,063.26x = 800,807.55 × 214,054.54
  4. Step 4: Simplify right side
    534,063.26x = 171,416,488,939.05
  5. Step 5: Solve for x
    x = 171,416,488,939.05/534,063.26
  6. Step 6: Final answer
    x = 320,966.64

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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.