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Finding the Fourth Proportional to 893,470.92, 1,340,870.67 and 360,996.56

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Solution

The fourth proportional to 893,470.92, 1,340,870.67 and 360,996.56 is: 541,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,470.92 : 1,340,870.67 = 360,996.56 : x
  2. Step 2: Convert to fraction form
    893,470.92/1,340,870.67 = 360,996.56/x
  3. Step 3: Cross multiply
    893,470.92x = 1,340,870.67 × 360,996.56
  4. Step 4: Simplify right side
    893,470.92x = 484,049,692,570.54
  5. Step 5: Solve for x
    x = 484,049,692,570.54/893,470.92
  6. Step 6: Final answer
    x = 541,763.23

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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.