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Finding the Fourth Proportional to 504,421.83, 756,435.92 and 220,199.31

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Solution

The fourth proportional to 504,421.83, 756,435.92 and 220,199.31 is: 330,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,421.83 : 756,435.92 = 220,199.31 : x
  2. Step 2: Convert to fraction form
    504,421.83/756,435.92 = 220,199.31/x
  3. Step 3: Cross multiply
    504,421.83x = 756,435.92 × 220,199.31
  4. Step 4: Simplify right side
    504,421.83x = 166,566,666,542.22
  5. Step 5: Solve for x
    x = 166,566,666,542.22/504,421.83
  6. Step 6: Final answer
    x = 330,213.04

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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.