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Finding the Fourth Proportional to 581,612.81, 872,419.41 and 182,284.56

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Solution

The fourth proportional to 581,612.81, 872,419.41 and 182,284.56 is: 273,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,612.81 : 872,419.41 = 182,284.56 : x
  2. Step 2: Convert to fraction form
    581,612.81/872,419.41 = 182,284.56/x
  3. Step 3: Cross multiply
    581,612.81x = 872,419.41 × 182,284.56
  4. Step 4: Simplify right side
    581,612.81x = 159,028,588,287.31
  5. Step 5: Solve for x
    x = 159,028,588,287.31/581,612.81
  6. Step 6: Final answer
    x = 273,426.90

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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.