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Finding the Fourth Proportional to 580,116.54, 870,216.75 and 242,817.96

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Solution

The fourth proportional to 580,116.54, 870,216.75 and 242,817.96 is: 364,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,116.54 : 870,216.75 = 242,817.96 : x
  2. Step 2: Convert to fraction form
    580,116.54/870,216.75 = 242,817.96/x
  3. Step 3: Cross multiply
    580,116.54x = 870,216.75 × 242,817.96
  4. Step 4: Simplify right side
    580,116.54x = 211,304,255,992.83
  5. Step 5: Solve for x
    x = 211,304,255,992.83/580,116.54
  6. Step 6: Final answer
    x = 364,244.49

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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.