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Finding the Fourth Proportional to 404,842.83, 558,679.47 and 223,550.85

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Solution

The fourth proportional to 404,842.83, 558,679.47 and 223,550.85 is: 308,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,842.83 : 558,679.47 = 223,550.85 : x
  2. Step 2: Convert to fraction form
    404,842.83/558,679.47 = 223,550.85/x
  3. Step 3: Cross multiply
    404,842.83x = 558,679.47 × 223,550.85
  4. Step 4: Simplify right side
    404,842.83x = 124,893,270,396.05
  5. Step 5: Solve for x
    x = 124,893,270,396.05/404,842.83
  6. Step 6: Final answer
    x = 308,498.17

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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.