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Finding the Fourth Proportional to 404,503.36, 558,189.50 and 223,216.72

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Solution

The fourth proportional to 404,503.36, 558,189.50 and 223,216.72 is: 308,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,503.36 : 558,189.50 = 223,216.72 : x
  2. Step 2: Convert to fraction form
    404,503.36/558,189.50 = 223,216.72/x
  3. Step 3: Cross multiply
    404,503.36x = 558,189.50 × 223,216.72
  4. Step 4: Simplify right side
    404,503.36x = 124,597,229,328.44
  5. Step 5: Solve for x
    x = 124,597,229,328.44/404,503.36
  6. Step 6: Final answer
    x = 308,025.20

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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.