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Finding the Fourth Proportional to 422,909.55, 583,561.41 and 241,633.22

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Solution

The fourth proportional to 422,909.55, 583,561.41 and 241,633.22 is: 333,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,909.55 : 583,561.41 = 241,633.22 : x
  2. Step 2: Convert to fraction form
    422,909.55/583,561.41 = 241,633.22/x
  3. Step 3: Cross multiply
    422,909.55x = 583,561.41 × 241,633.22
  4. Step 4: Simplify right side
    422,909.55x = 141,007,822,566.04
  5. Step 5: Solve for x
    x = 141,007,822,566.04/422,909.55
  6. Step 6: Final answer
    x = 333,423.12

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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.