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Finding the Fourth Proportional to 580,324.64, 870,526.96 and 243,025.68

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Solution

The fourth proportional to 580,324.64, 870,526.96 and 243,025.68 is: 364,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,324.64 : 870,526.96 = 243,025.68 : x
  2. Step 2: Convert to fraction form
    580,324.64/870,526.96 = 243,025.68/x
  3. Step 3: Cross multiply
    580,324.64x = 870,526.96 × 243,025.68
  4. Step 4: Simplify right side
    580,324.64x = 211,560,406,412.33
  5. Step 5: Solve for x
    x = 211,560,406,412.33/580,324.64
  6. Step 6: Final answer
    x = 364,555.27

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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.