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Finding the Fourth Proportional to 423,665.57, 584,663.09 and 232,678.97

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Solution

The fourth proportional to 423,665.57, 584,663.09 and 232,678.97 is: 321,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,665.57 : 584,663.09 = 232,678.97 : x
  2. Step 2: Convert to fraction form
    423,665.57/584,663.09 = 232,678.97/x
  3. Step 3: Cross multiply
    423,665.57x = 584,663.09 × 232,678.97
  4. Step 4: Simplify right side
    423,665.57x = 136,038,805,578.22
  5. Step 5: Solve for x
    x = 136,038,805,578.22/423,665.57
  6. Step 6: Final answer
    x = 321,099.51

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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.