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Finding the Fourth Proportional to 580,183.17, 870,316.67 and 242,884.59

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Solution

The fourth proportional to 580,183.17, 870,316.67 and 242,884.59 is: 364,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,183.17 : 870,316.67 = 242,884.59 : x
  2. Step 2: Convert to fraction form
    580,183.17/870,316.67 = 242,884.59/x
  3. Step 3: Cross multiply
    580,183.17x = 870,316.67 × 242,884.59
  4. Step 4: Simplify right side
    580,183.17x = 211,386,507,563.12
  5. Step 5: Solve for x
    x = 211,386,507,563.12/580,183.17
  6. Step 6: Final answer
    x = 364,344.43

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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.