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Finding the Fourth Proportional to 423,262.70, 584,123.79 and 232,274.54

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Solution

The fourth proportional to 423,262.70, 584,123.79 and 232,274.54 is: 320,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,262.70 : 584,123.79 = 232,274.54 : x
  2. Step 2: Convert to fraction form
    423,262.70/584,123.79 = 232,274.54/x
  3. Step 3: Cross multiply
    423,262.70x = 584,123.79 × 232,274.54
  4. Step 4: Simplify right side
    423,262.70x = 135,677,084,625.31
  5. Step 5: Solve for x
    x = 135,677,084,625.31/423,262.70
  6. Step 6: Final answer
    x = 320,550.53

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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.