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Finding the Fourth Proportional to 404,748.72, 558,550.26 and 223,460.64

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Solution

The fourth proportional to 404,748.72, 558,550.26 and 223,460.64 is: 308,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,748.72 : 558,550.26 = 223,460.64 : x
  2. Step 2: Convert to fraction form
    404,748.72/558,550.26 = 223,460.64/x
  3. Step 3: Cross multiply
    404,748.72x = 558,550.26 × 223,460.64
  4. Step 4: Simplify right side
    404,748.72x = 124,813,998,571.77
  5. Step 5: Solve for x
    x = 124,813,998,571.77/404,748.72
  6. Step 6: Final answer
    x = 308,374.04

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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.