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Finding the Fourth Proportional to 656,169.71, 984,041.81 and 251,340.38

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Solution

The fourth proportional to 656,169.71, 984,041.81 and 251,340.38 is: 376,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,169.71 : 984,041.81 = 251,340.38 : x
  2. Step 2: Convert to fraction form
    656,169.71/984,041.81 = 251,340.38/x
  3. Step 3: Cross multiply
    656,169.71x = 984,041.81 × 251,340.38
  4. Step 4: Simplify right side
    656,169.71x = 247,329,436,284.38
  5. Step 5: Solve for x
    x = 247,329,436,284.38/656,169.71
  6. Step 6: Final answer
    x = 376,929.07

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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.