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Finding the Fourth Proportional to 580,654.35, 870,981.20 and 181,329.35

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Solution

The fourth proportional to 580,654.35, 870,981.20 and 181,329.35 is: 271,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,654.35 : 870,981.20 = 181,329.35 : x
  2. Step 2: Convert to fraction form
    580,654.35/870,981.20 = 181,329.35/x
  3. Step 3: Cross multiply
    580,654.35x = 870,981.20 × 181,329.35
  4. Step 4: Simplify right side
    580,654.35x = 157,934,454,858.22
  5. Step 5: Solve for x
    x = 157,934,454,858.22/580,654.35
  6. Step 6: Final answer
    x = 271,993.92

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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.