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Finding the Fourth Proportional to 429,955.83, 644,948.28 and 114,413.04

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Solution

The fourth proportional to 429,955.83, 644,948.28 and 114,413.04 is: 171,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,955.83 : 644,948.28 = 114,413.04 : x
  2. Step 2: Convert to fraction form
    429,955.83/644,948.28 = 114,413.04/x
  3. Step 3: Cross multiply
    429,955.83x = 644,948.28 × 114,413.04
  4. Step 4: Simplify right side
    429,955.83x = 73,790,493,357.57
  5. Step 5: Solve for x
    x = 73,790,493,357.57/429,955.83
  6. Step 6: Final answer
    x = 171,623.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.