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Finding the Fourth Proportional to 423,553.56, 584,503.91 and 232,566.95

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Solution

The fourth proportional to 423,553.56, 584,503.91 and 232,566.95 is: 320,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,553.56 : 584,503.91 = 232,566.95 : x
  2. Step 2: Convert to fraction form
    423,553.56/584,503.91 = 232,566.95/x
  3. Step 3: Cross multiply
    423,553.56x = 584,503.91 × 232,566.95
  4. Step 4: Simplify right side
    423,553.56x = 135,936,290,441.22
  5. Step 5: Solve for x
    x = 135,936,290,441.22/423,553.56
  6. Step 6: Final answer
    x = 320,942.39

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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.