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Finding the Fourth Proportional to 580,654.70, 870,981.72 and 181,329.69

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Solution

The fourth proportional to 580,654.70, 870,981.72 and 181,329.69 is: 271,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,654.70 : 870,981.72 = 181,329.69 : x
  2. Step 2: Convert to fraction form
    580,654.70/870,981.72 = 181,329.69/x
  3. Step 3: Cross multiply
    580,654.70x = 870,981.72 × 181,329.69
  4. Step 4: Simplify right side
    580,654.70x = 157,934,845,283.27
  5. Step 5: Solve for x
    x = 157,934,845,283.27/580,654.70
  6. Step 6: Final answer
    x = 271,994.43

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1.5x scale

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.