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Finding the Fourth Proportional to 404,154.79, 557,770.93 and 232,095.31

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Solution

The fourth proportional to 404,154.79, 557,770.93 and 232,095.31 is: 320,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,154.79 : 557,770.93 = 232,095.31 : x
  2. Step 2: Convert to fraction form
    404,154.79/557,770.93 = 232,095.31/x
  3. Step 3: Cross multiply
    404,154.79x = 557,770.93 × 232,095.31
  4. Step 4: Simplify right side
    404,154.79x = 129,456,014,932.67
  5. Step 5: Solve for x
    x = 129,456,014,932.67/404,154.79
  6. Step 6: Final answer
    x = 320,312.96

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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.